What river forms part of a border between the United states and Mexico?
What is Rio Grande
What region is located along the Atlantic Ocean and the Gulf of Mexico?
What is Florida
Where is the southern most continent?
What two rivers provided transportation of farm and industrial products to ports around the world?
What is Mississippi and Missouri
What region has high elevations and extends from Alaska almost to Mexico?
What is Rock Mountains
Which river connects the Great Lakes with the Atlantic Ocean?
What is St. Lawrence
What region is known for having grasslands?
A smaller river flowing into a larger river is a -
What is a tributary
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