What was the reason the founding fathers created three branches of government?

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.

How did people in the 14th century understand black death

If f(x) = 3x + 2 and g(x) = 2x - 2. what is (f - g)(x)?