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109. During the Cold War, what was one main concern of the United States?
Official answers:
Why? The U.S. worried that communism would spread, and that the two sides might use nuclear weapons.
- communism: a system where the government owns and controls all property
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110. Why did the United States enter the Korean War?
Official answer:
- To stop the spread of communism
Why? In 1950, communist North Korea invaded South Korea. The U.S. sent troops to help the South.
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111. Why did the United States enter the Vietnam War?
Official answer:
- To stop the spread of communism
Why? The U.S. helped South Vietnam fight communist North Vietnam. American troops fought there in the 1960s and early 1970s.
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112. What did the civil rights movement do?
Official answer:
- Fought to end racial discrimination
Why? In the 1950s and 1960s, people protested peacefully for equal rights. This led to the Civil Rights Act of 1964.
- discrimination: treating people unfairly because of who they are
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113. Martin Luther King, Jr. is famous for many things. Name one.★ 65/20
Official answers:
- Fought for civil rights
- Worked for equality for all Americans
- Worked to ensure that people would “not be judged by the color of their skin, but by the content of their character”
Why? King led peaceful protests and gave his “I Have a Dream” speech in 1963. We honor him every January.
- civil rights: the right of every person to be treated equally
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114. Why did the United States enter the Persian Gulf War?
Official answer:
- To force the Iraqi military from Kuwait
Why? Iraq invaded its neighbor Kuwait in 1990. In 1991, the U.S. and its allies pushed Iraq’s army out.
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115. What major event happened on September 11, 2001, in the United States?★ 65/20
Official answers:
- Terrorists attacked the United States
- Terrorists took over two planes and crashed them into the World Trade Center in New York City
- Terrorists took over a plane and crashed into the Pentagon in Arlington, Virginia
- Terrorists took over a plane originally aimed at Washington, D.C., and crashed in a field in Pennsylvania
Why? Nearly 3,000 people died that day in New York City, at the Pentagon, and in Pennsylvania.
- terrorist: a person who uses violence to scare people for political goals
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116. Name one U.S. military conflict after the September 11, 2001 attacks.
Official answers:
- (Global) War on Terror
- War in Afghanistan
- War in Iraq
Why? After the attacks, the U.S. went to war in Afghanistan in 2001, and in Iraq in 2003.
- conflict: a fight or war between groups or countries
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117. Name one American Indian tribe in the United States.
Official answers:
- Apache
- Blackfeet
- Cayuga
- Cherokee
- Cheyenne
- Chippewa
- Choctaw
- Creek
- Crow
- Hopi
- Huron
- Inupiat
- Lakota
- Mohawk
- Mohegan
- Navajo
- Oneida
- Onondaga
- Pueblo
- Seminole
- Seneca
- Shawnee
- Sioux
- Teton
- Tuscarora
For a complete list of tribes, please visit bia.gov.
Why? There are more than 570 recognized tribes. The Aztec, Inca and Maya lived in Mexico, Central and South America.
- tribe: a group of people with the same history and culture
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118. Name one example of an American innovation.
Official answers:
- Light bulb
- Automobile (cars, internal combustion engine)
- Skyscrapers
- Airplane
- Assembly line
- Landing on the moon
- Integrated circuit (IC)
Why? Thomas Edison made a light bulb that worked for many hours in 1879. It changed homes everywhere.
- innovation: a new idea, product or way of doing things