Which statement best explains how the Lewis and Clark expedition was a result of U.S. foreign policy?
A
The United States proved its land claims to Europe by establishing the Corps of Discovery.
B
The United States received territory as a result of a victory in the French and Indian War.
C
The United States purchased land from France so it could expand the size of the nation.
D
The United States studied Native Americans in order to provide safe passage for the explorers.
C
The United States purchased land from France so it could expand the size of the nation.