What role did enslaved africans play in the economy of the southern colonies?

Rachel carson 1962 silent spring was a groundbreaking work regarding what topic

Which of these was one of the most important aspects of washington's presidency a. he did not consider how his actions would affect later presidents b. he came to believe that political parties would be good for the country. c. he insisted that congress make specific rules about the duties of the president d. he did not take advantage of the opportunity to keep the power the country offered him.

What is the most celebrated piece of japanese literature and who was its author? why is it important in the literary world? (around 1000 ad by a woman)