<span>a)groups of militant university and high-school students formed into paramilitary units to help Mao combat his enemies
'learn revolution by making revolution'</span>
In creating a new U.S. government, it was "A. The Virginia Plan" that proposed that the elected members of lower house would select the members of the upper house, since this would have favored the larger states.
Slaves first arrived in Mississippi in French ships that came from West Africa where they had bought the slaves, and then brought them to Mississippi to sell/trade. Hope it helps!