Question

How did Zebulon Pike contribute to the westward expansion of the United States?
A.
His expedition gathered information about the trans-Mississippi West.
B.
He finalized an agreement for the purchase of land from France.
C.
He defeated American Indian tribes that opposed US expansion.
D.
His expedition established a major trade route for American merchants.

Answer 1

I believe the answer you're looking for is A.

Answer 2

Zebulon Pike contributed to the westward expansion of the United States by his expedition gathering information about the trans-Mississippi West.

So the correct answer is A.

Hope this helps,

Davinia.