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.

The ancient greek city-state of sparta was run as an oligarchy , meaning

What primary benefit did theodore roosevelt’s see in digging a canal through panama?

Which effect did the united states supreme court's decision in plessy v. ferguson have? 1. ending segregation in all public schools in america 2. protecting voting rights for african americans by eliminating literacy tests 3. upholding the rights of all citizens to be treated equally by the government 4. authorizing the system that kept black and white people separated