the policy of extending the rule or authority of one nation over others by territorial acquisition or through economic or political dominance

The emperor continued on his military rampage in the name of imperialism.

the introduction of industry into a region or country

Industrialization improved the country's economy.

relating to democratic forms of government rather than monarchies or aristocracies; (in a political context) relating to or denoting a political and social philosophy that promotes individual rights, civil liberties, democracy, and free enterprise

The new leader wished to establish a liberal form of government in a country that had never known political freedom.

the idea that citizens of a country are part of something bigger than themselves and that they are loyal to a set of national ideals and practices

A wave of nationalism swept the country after its citizens were attacked.

a political or economic theory in which community members own all property, resources, and the means of production, and control the distribution of goods

Individuals who think community members should own and control property, production, and distribution subscribe to socialism.

the power of self-government, with independence from outside control; autonomy

The nation's military fought valiantly to maintain their country's sovereignty, but ultimately they were no match for their rivals to the north.