The president most responsible for obtaining the lands of california, oregon, and new mexico for the united states was a) thomas jefferson . b) martin van buren. c) james k. polk. d) john tyler.

Which international agency launched investigations into the human genocide in darfur? a. world health organization b. red cross c. international criminal court d. world bank e. unesco

Mid to high level clouds that look like layered blankets are called

Why might the spanish government have approved of the encomienda system? a the system allowed for fair treatment of all under it, leading to a happy and prosperous colony. b the system used natives as slaves which meant the government was able to maximize their profit of exported goods. c the system allowed for mostly profitable trade within the different colonies. d the system was a great example of how to successfully run a colony, making spain a world power.