The long nineteenth century came to a violent end in 1914 with the beginning of a thirty-year period of global conflict that launched two world wars and new ideologies.

The two world wars were separated by an interval of uneasy peace. But these periods were entangled together. Should we study these three periods as a single connected conflict?

What were the causes, and effects, of both world wars? Let’s see how our three frames can help us understand this question.

Orient yourself in time and space as you begin Unit 7, by using maps to make predictions about the causes and casualties of the First World War.

A black and white version of the world in 1914 CE, that can be cropped to specific regions and easily printed.

A full-color political map of the world in 1914 CE, highlighting the major states, communities, and cities you’ll learn about in WHP.

An individualized tracker for new words encountered in Unit 7. Add to it as the unit progresses.

In Unit 7, continue the routine of building a class word wall, an important visual cue and literacy support.

This vocab guide provides a summary of the key vocabulary for the unit.

Vocab cards for each of the key words in this unit.

Here’s the new Unit Problem! Respond to this based on what you currently know… don’t worry if it’s not much—you’re going to learn a lot more!

Today, most people in the world live in democracies, and most governments in the world are democratic. The data shows that this transition to democracy happened only recently.

Students select their final project topic. Students identify a topic with world-historical significance that’s meaningful to them.

The First World War feels almost like a murder mystery, with many suspected causes, and complex motives. Millions died in this confusing conflict that gripped the world.

The First World War transformed British society. Nick Dennis explores why Britain entered the conflict and how people in Britain experienced the war.

Time to break out the yarn again! The interconnected nature of World War I becomes even more apparent when you visually mark out the various ways regions and countries were connected.

How does a war become a world war? It’s a tough question to answer, but asking who fought, what they fought for, and where they fought should give you a fighting chance.

How did governments mobilize their populations for war? Use the Quick-Sourcing Tool to assess the primary sources in this collection to find out!

How did governments mobilize their populations for war? The primary sources in this collection will help you formulate a response to this question.

Images can tell us a lot about a time period. Examine posters to gain deeper insight into the kinds of messages governments tried to convey through posters.

Why did World War I begin? It’s your opportunity to make a claim!

In many ways World War I was a total war. Entire societies were mobilized to support the war effort. There had never been a war that was so devastating.

Helen Fairchild was an American nurse who volunteered for the First World War and gave her life for her country.

Ever wonder what it was like to fight in the trenches or miss a loved one who was off at war? You’ll practice using historical empathy to write a letter to someone in battle.

While World War I was raging across the world, the Ottoman Empire attacked its Armenian minority. Millions were murdered and displaced in the Armenian Genocide.

In this activity, you’ll analyze the Mexican and Russian Revolutions to understand how these revolutions were similar and different.

The Mexican Revolution overthrew a dictator in six months, but for the next ten years, revolutionaries fought each other to determine the outcome of the revolution.

Why does one revolution matter so much? The Russian Revolution in 1917 not only transformed Russia, but also set the stage for a changing world over the next century.

When WWI started, people cheered in the streets. This enthusiasm was soon dampened by the reality of war. The disillusionment that followed the war shaped our modern world.

Socialist philosopher, economist, and teacher who was jailed for opposing German entry into the First World War, Rosa Luxemburg was murdered for calling for a German republic.

This activity asks you to look at various peace terms for World War I and weigh the merits of each according to diverse international interests.

Students will investigate the context for the Great Depression, which will deepen their understanding of how both capitalism and globalization played a role in the depression.

The Great Depression was a global catastrophe that affected the lives of billions around the world. It brought authoritarians to power and helped cause the Second World War.

After World War I, many people had dreams of peace and international cooperation. But these dreams were not realized as the world grew more isolationist and combative.

How did different nations attempt to overcome economic crises? Use the Quick-Sourcing Tool to assess the primary sources in this collection to find out!

How did different nations attempt to overcome economic crises? The primary sources in this collection will help you formulate a response to this question.

Fascism is one of those words that gets thrown around a lot. But it is a definable concept describing a repressive form of government that helped caused the Second World War.

The 1920s and 1930s were politically unstable, and fascist regimes gained power. How did they use race, gender, and other categories of difference to divide communities?

We constantly hear messages from politicians, advertisers, and influencers. Why is it so important to critically analyze these messages?

The Great Depression was about as fun as it sounds. Like most difficult historical events, this economic disaster changed how people lived, and how they wanted to live.

This examination of the totalitarian features of the Soviet state under Stalin is a great way to learn the differences between two rival ideologies: communism and fascism.

Communism and fascism are words that are used often in political and historical discussions, but not always correctly. Time to get it straight!

Revisit the Question Parsing Tool and improve your ability to figure out what you are being asked in writing prompts.

World War II was an epic conflict between two great alliances. It was a grueling war with no predictable outcome. For those involved, it was also a very personal experience.

Rarely do historical events have a single cause. World War II is no exception. In this activity, you will examine and evaluate the complex and entangled causes of war.

World War II was a total war which devastated many parts of the world on a massive scale. John Green thinks through important questions about this tragic global conflict.

Plaek Phibunsongkhram was an authoritarian Prime Minister of Thailand. He forged his own version of fascism and allied with Japan during the Second World War.

A lot of people make a lot of claims about the world wars. Here, it’s your job to evaluate some of these statements and the evidence behind them.

World War II was incredibly destructive. This video uses interactive data to examine the cost of the war in lives, comparing its casualties to other conflicts in history.

The Holocaust was the murder of millions of Jews and other persecuted groups across Nazi-occupied Europe during the Second World War.

Manuel Quezon was the leader of the Philippines during the Second World War. He took in victims of the Holocaust, against critics who saw Jews as a threat to the country.

How has your understanding changed since the beginning of the unit? Time to revisit the Unit Notebook!

In 1945, the United States killed hundreds of thousands of Japanese civilians with a new, powerful weapon. People have long debated if the use of the atom bomb was necessary.

What changed as governments waged war from 1914 to 1945? Use the Quick-Sourcing Tool to assess the primary sources in this collection to find out!

What changed as governments waged war from 1914 to 1945? The primary sources in this collection will help you formulate a response to this question.

Continue developing your understanding of CCOT, this time looking at the changes and continuities which occurred in Unit 7.

It’s time review the map predictions you made at the beginning of the unit, as you examine a series of new maps to help you think about the unit problem.

A full-color thematic map of First World War Casualties and Alliance in 1914 CE, meant to help you support, extend, and challenge the frame narratives.

A full-color thematic map of the Second World War (November, 1942 CE), meant to help you support, extend, and challenge the frame narratives.

It’s another opportunity to analyze the Organization and Language and Style of a sample essay. Get out your red pen!

Analyze the documents in this DBQ to respond to an important question: how—and why—was the Nazi Party able to come to power in prewar Germany?

These DBQ writing samples provide example essays to help support writing instruction in different ways—use as you see fit in your classroom!

In the summer of 1914, things got pretty heated. Serbian nationalists and an Austrian archduke unleashed tensions that had simmered in Europe for decades.

Optimistically nicknamed “The War to End All Wars,” the high price tag on World War I had a far-reaching economic impact on nations and colonies around the globe.

Ever wonder what it was like to fight in the trenches or miss a loved one who was off at war? You’ll practice using historical empathy to write a letter to someone in battle.

As authoritarian leaders came to power in many countries, a few people might have realized the horrors to come, but most people barely recognized the danger.

Wars are expensive, but WW II took it to another level. Here’s a look at how many nations in this devastating conflict came to experience a “total war” economy.

The Holocaust was a tragedy of such scale that it defies comprehension. This collection of primary sources provides windows into the brutality—and banality—of the atrocities.

What’s worse than having another world war only 20 years after the first one? How about 30 years of continuous war?

If art is a mirror held to society, what did people see in the era of the world wars, and how did it shape what they created?