Help me out here please

Which statement tells an advantage george washington had in his first term as the first president of the united states?

Which physical feature minimizes population density in northern africa?

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.