Shortly after arriving in Europe, which of the following actions were American troops able to do? A. convince the Allies to surrender
B. help stop the last German offensive
C. prevent an attack on the United States
D. send British and French troops home

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.