The economy of the Arabian Peninsula depended on the ___

What is significant about the power that russian federal cities are granted?

Experimented with communism before taking part in a number of civil rights and antiwar protest

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.