As civilizations grew, some people concentrated on one task. What is this called?

Which of the following is an example of one of the successes of the marshall plan? a. a few eastern european countries decided to turn to democracy. b. western european economies were stronger than they had been before wwii. c. borders between western and eastern european countries shifted. d. eastern european countries eventually took part in the plan. ( answer in the format above so i can understand)

Somebody save the ! what was greek math and science also medicine

He scientific revolution encouraged scientists and philosophers to