The Western Hemisphere

History

An advanced stage of human social development and organization

Civilization

An advanced stage of human social development and organization. Civilization. It is when societies develop complex structures, like cities, laws, and art, to improve how people live together.

A sovereign state functioning as an aggregate of nations

Empire

A sovereign state functioning as an aggregate of nations. Empire. An empire is a large territory or group of countries under the control of a single ruler or government.

A large mass of slow moving ice and snow

Glacier

A large mass of slow moving ice and snow. Glacier. In a simple historical context, glaciers have shaped landscapes by carving out valleys and impacting human settlements over thousands of years.

A long period during which ice sheets cover large parts of Earth

Ice Age

A long period during which ice sheets cover large parts of Earth. Ice Age. An Ice Age is a time in history when Earth experienced significantly colder climates and widespread glaciers.

The process of supplying water to land to grow crops

Irrigation

The process of supplying water to land to grow crops. Irrigation is an ancient technique used by civilizations to artificially water their fields, enabling agriculture in dry regions.

Condition where someone forbidden to quit their service and is treated like property

Slavery

Condition where someone is forbidden to quit their service and is treated like property. Slavery. In history, slavery is when people were owned and forced to work without freedom or rights.

When person works in a particular occupation most of the time

Specialize

When a person works in a particular occupation most of the time, specialize. In History, specialize means focusing on studying a specific time period or event.