How does the elastic clause of the constitution allow the government to stretch its powers to meet new needs of the nation?

What did kublai khan learn from the chinese advisers he consulted?

What was the significance of john hancock's signature on the declaration of independence?

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.