How have airplanes change the way the world is business

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

What is one way the congress used normal legislation to affect the executive branch of government? a) congress passed laws to regulate commerce. b) congress established federal courts below the supreme court. c) congress set up agencies, departments, and offices. d) congress creates the presidency and vice presidency.

What was the social class pyramid during the civil war?