Can someone me out with these questions?

Which of these was a cause of the war of 1812? a) french troops would not leave canada. b) spanish forces threatened to invade florida. c) british ships cut off american trade to europe. d) king george iii supported the confederate states.

In the mid-1800s, native americans who had lived in the westtraded their manufactured goods with settlers.were able to resist diseases carried by settlers.offered their services as guides to settlers.prevented settlers from moving onto their territory.

Plz where was the inca civilization located? a. in and around the andes mountains of south america. b. central america in southern mexico. c. the caribbean islands. d. the central valley of mexico.