Monumental structures with a square or triangular base and sloping sides that meet at a point (apex) at the top.
Pyramids
A first-hand account of an event, created by someone who saw it happen or lived through it.
Primary Source
The freedoms or protections that every person is entitled to have just because they are human.
Rights
FREE
100
A system of beliefs, practices, and values that often involves belief in one or more gods or spirits, and answers questions about life, purpose, and the universe.
Religion
It has its own government, makes its own laws, and controls the land around it.
City-States
Created after an event by someone who did not experience it firsthand.
Secondary Source
The study of the Earth's land, water, climate, and people—and how they all connect and affect each other.
Geography
FREE
200
Is the group of people and institutions that have the power to make laws, enforce rules, and manage a country, state, or community.
Government
Countries or regions that are controlled or influenced by a stronger power and are required to pay tribute (money, goods, or resources) to that power.
Tribute-States
A large group of different lands or countries that are all controlled by one ruler or government.
Empire
A way to show events in the order they happened, usually from earliest to latest.
Timeline
Believing in or worshiping many gods.
Polytheistic
A complex society with cities, a government, social classes, writing, and culture.
Civilization
A type of farming method used by the Aztecs to grow crops on shallow lake beds.
Chinampas
A form of government where a king or queen rules a country.
Monarchy
Rules made by governments that tell people what they can and cannot do.
Laws
The original peoples who lived in the Americas (North, Central, and South America) before Europeans arrived.
A person who studies and writes about the past.
Historian
A type of labor tax used by the Inca Empire in South America.
Mit'a System
Different groups of people in a society, usually based on wealth, job, education, or family background.
Social Classes
The practice of growing crops and raising animals for food, clothing, and other products.
Agriculture
Way of growing crops on steep hills or mountains by creating flat steps, on the slopes.
Terrance Farming
Is everything around us — including the air, water, land, plants, animals, and people — that affects how we live.
Environment