| A | B |
|---|
| acid rain | precipitation containing harmful chemicals |
| ancestors | relatives who lived before you |
| census | an official study of the people of an area or a country |
| citizen | a person who is born in a country or chooses to become a member of that country by law |
| civil rights | the individual rights of a citizen under the law |
| climate | the weather of an area over a period of time |
| Constitution | the plan of government for our country |
| culture | the entire way of life of a people, including its beliefs, customs, and language |
| ethnic group | a group of people who share the same customs, the same language, and often the same history |
| fossil fuels | remains of plants and animals formed over millions of years ago as fuel |
| immigrant | a person who leaves a country to go and live in another country |
| megalopolis | a group of cities that have grown so close together they seem to form one city |
| nonrenewable resource | a resource that cannot be replaced |
| oral history | spoken records about the past |
| perspective | point of view, opinion |
| prejudice | a negative opinion formed without proof |
| primary source | information that comes from the time that is being studied |
| republic | a government in which people elect representatives to run the country |
| secondary source | an account of the past written by someone who was not an eyewitness to those events |
| values | the beliefs and ideals that guide the way people live |
