As part of the war on terror, what action did the United States take in Afghanistan?
O
O
O
O
It captured Osama bin Laden.
It jailed all members of al-Qaeda.
It told Americans to leave Afghanistan.
It drove the Taliban out of power.

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.