a member of the House of Representatives (one of two parts of the U.S. Congress).  There are 435 Representatives in the House.

or

More generally, someone who speaks for a group of people.

something that we should do; something that is our job or duty to do.

Example:  All people who live in the U.S. have the responsibility to pay taxes.

1)  basic things that people can freely do; freedoms and privileges

Example:  Susan B. Anthony worked hard for women to have the right to vote.

2)  the claim a person has to be treated in a fair or legal way, or to have the things that are necessary for life

Example:  Martin Luther King, Jr. fought for civil rights and the equality of all Americans.

a member of the Senate (one of the two parts of the U.S. Congress).

There are 100 Senators.

a period of time.

In government, a term is how long an elected official keeps his or her job before the next election.

Example:  The President is elected to a 4-year term.  Each President can only serve two terms.

a group of people who live in the same area and whose families are often related.  They share the same language, culture, and history.

Example:  The Sioux are an American Indian tribe who live in Minnesota and speak the Dakota language.