The russian revolution of 1917 was led by .

How can we stop u.s. military drone strikes from hurting innocent people

How has the caste system canged in indea and pacistane

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.