Which continent was almost entirely colonized by european powers in the early 1900's?

the second significant cause of the great migration was the desire of black southerners to escape segregation, known euphemistically as jim crow. rural african american southerners believed that segregation - and racism and prejudice against blacks - was significantly less intense in the north.

they forced them to b sell their land

it required the unanimous approval of the states before the congress could enact any measure.

to tell the truth it is a mix of the a and d because after the romans argued among themselves outside forces took control however it is mostly d.