How did the capture of Vicksburg contribute to the Union victory in the Civil War?

a
It divided the Confederacy and allowed the Union to focus on fighting in the East.
b
It gave the Union the ability to supply its troops.
c
It allowed the Union to focus on fighting in border states.
d
It gave the Union control of major Southern cities.

How would the enlightenment movement have suffered if the scientific revolution had not occurred

According to george washington, what was one reason a president should veto a bill?

In the mid-1800s, how did american indians often react to the us government signing treaties with tribal chiefs to establish reservations? many american indians did not accept the treaties and resisted relocating. many american indians fought for land taken away by the dawes act. many american indians bought land in oklahoma from white settlers. many american indians accepted the treaties and relocated voluntarily.