Why were their so many bison on the western Great Plains?

In a democracy, this is held by the citizens who elect leaders to political office

What was the goal of congress when it passed the sherman antitrust act to break up corporate trusts? a. to remove government regulation from businesses b. to return private competition to the marketplace c. to lower taxes on small and medium businesses d. to prevent politicians from investing in businesses e. to increase laissez-faire ideals in the marketplace

Where is sub-saharan africa located?