Rivers
Regions
Bonus
Continent
100

What river forms part of a border between the United states and Mexico?

What is Rio Grande

100

What region is located along the Atlantic Ocean and the Gulf of Mexico?

What is Florida 

100

Where is the southern most continent?

What is Antartica
200

What two rivers provided transportation of farm and industrial products to ports around the world?

What is Mississippi and Missouri

200

What region has high elevations and extends from Alaska almost to Mexico?

What is Rock Mountains

300

Which river connects the Great Lakes with the Atlantic Ocean?

What is St. Lawrence

300

What region is known for having grasslands?

What is North America
400

A smaller river flowing into a larger river is a - 

What is a tributary

400

Why have major bodies of water been important to the early history of the United States? (hint: there is 3 answers)

Supported interaction between regions

Formed borders

Made travel difficult