What started the modern Agricultural Revolution?

Why were the nobles important? What should be a nickname for Cheyenne? What the good thing about the European? What social and economic effects of World War 2 espically in the west? What were the date that the empire began and the date that it ended? Which was a major result of overseas expansion by European nations during the 1500sand1600s? What is hiddenwiki? How were trade routes important for cultural diffusion? Which civilization started first? Many western countries felt it was their duty to civilize the backward people of the world? Who did Augustus banish from Rome because he did not like his writings? Who invented the robe? Does western culture emphasize individualism more than other cultures especially eastern ones? Did West African cultures have organized governments at the time that they came into contact with europeans? How long did Nero serve as an emperor? What did Walter hunt invent in 1849? Who was involved with the crusades? What did nobles wear? How many days in year did people work in the 1600s? What German religious leader of the middle ages was he named after?