Why did many ancient civilizations in africa develop near bodies of water?

How did inca develop their road system? a) they used mortar to hold the stones together.b) they built suspension bridges over rivers. c) they mixed copper and stone together to make the blocks.d) they laid roads in the cities, not in the less densely populated deserts.

Which item in the list are methods a political party might influence public opinion

During world war ll, women in the united states