Answer:
It started to tension circumstances.
Explanation:
He is best known for being a member of the Greensboro Four; a group of African American college students who, on February 1, 1960, sat down at a segregated Woolworth's lunch counter in downtown Greensboro, North Carolina challenging the store's policy of denying service to non-white customers.
From what google is telling me. It is about primary and secondary source.
The system changed from large systems of African monarchy governments and tribal centred government control to European colonial systems. Most native powers scaled down to as a result and gradually levelled most natives to equality under the rule of colonial power.
