People
Places
African-Americans
Inventions
100

This is the first president of the United States.

George Washington

100

This is our nation's capital, built in 1791. 

Washington, D.C.

100

This is what they called the people who were brought to America to work on plantations. 

slaves

100
This is what Orville and Wilbur Wright invented. 

airplane

200

These two explorers traveled through the Louisiana Territory to the Pacific Ocean.

Lewis and Clark

200

This is the state where the Alamo is. 

Texas

200

This is the war between the North and the South. 

The Civil War

200

This is an invention that people used to listen to music and the news. 

radio

300

This person invented the steel plow. 

John Deere

300

This is where Abraham Lincoln gave his speech saying "all men are created equal". 

Gettysburg

300

This is the route that helped slaves make their way to freedom. 

the Underground Railroad

300

This is what Alexander Graham Bell invented to help people communicate when they are apart. 

the telephone

400

This is the president that freed the slaves and wrote the Gettysburg Address.

Abraham Lincoln

400

This is the state where the Wright brothers flew the first airplance. 

North Carolina

400

This is what Abraham Lincoln issued, proclaiming that slaves were free. 

The Emancipation Proclamation

400

This is a farm tool invented by John Deere. 

the plow