What geographic region has low, flat land along the Atlantic Ocean and Gulf of Mexico?
Coastal Plain
What ocean borders the eastern coast of the United States?
Atlantic Ocean
What U.S. state is home to the city of Richmond?
Virginia
What enormous desert covers much of northern Africa?
Sahara Desert
Which of the three major West African empires became powerful first?
Ghana
What mountain range is located in the eastern United States and is known for its old, worn-down mountains?
Appalachian Highlands
What large river flows south through the central United States into the Gulf of Mexico?
Mississippi River
What U.S. state is a peninsula bordered by the Atlantic Ocean and Gulf of Mexico?
Florida
What river helped West African societies with farming, fishing, and transportation?
Niger River
Who helped establish the Mali Empire during the 1200s?
Sundiata Keita
What region is known for its wide grasslands and lies east of the Rocky Mountains?
Great Plains
What body of water borders Texas, Louisiana, Mississippi, Alabama, and Florida?
Gulf of Mexico
What U.S. state borders the Gulf of Mexico and contains the city of New Orleans?
Louisiana
What valuable mineral was mined in the Sahara Desert and used to preserve food?
Salt
Which wealthy ruler of Mali traveled to Mecca in 1324?
Mansa Musa
What geographic region surrounds Hudson Bay and has many lakes formed by glaciers?
Canadian Shield
What river forms part of the border between the United States and Mexico?
Rio Grande
What U.S. state lies between Mississippi and Florida along the Gulf Coast?
Alabama
What is a group of merchants traveling together across the desert called?
Caravan
Which ruler expanded Songhai using armies and river boats and captured Timbuktu in 1468?
Sunni Ali
What geographic region includes dry basins, separate mountain ranges, and Death Valley?
Basin and Range
What river carries water from the Great Lakes toward the Atlantic Ocean?
St. Lawrence River
What U.S. state borders the Gulf of Mexico and includes the city of Houston?
Texas
What name is given to the trading routes that crossed the Sahara Desert?
Trans-Saharan trade routes
Which Songhai ruler took power in 1493 and strengthened its government?
Askia Muhammad