I believe the answer is C.
The Farming of plants was a turning point in human history. Ths allowed larger civiliations and the first empires to emerge. Also, technical advances were possible because people could specialize in one subject, such as mathmatics, due to calorie surplus, a.k.a farmers making more foo than they need for themselves.
Exchange new ideas is the only answer that seems plausible
In 1955, Reverend George Lee, vice president of the Regional Council of Negro Leadership and NAACP worker, was shot in the face and killed for urging blacks in the Mississippi Delta to vote. Although eyewitnesses saw a carload of whites drive by and shoot into Lee's automobile, the authorities failed to charge anyone. Governor Hugh White refused requests to send investigators to Belzoni, Mississippi, where the murder occurred.
All legislative powers herein granted shall be vested in a Congress of the United States, which shall consist of a Senate and House of Representatives.
