Which of the following was a territorial gain made by the united states as a result of the spanish anerican war a. hawaii b. new mexico c. puerto rico d. alaska

Prior to the presence of europeans on the continent, the slave trade in africa a) did not exist in any form. b) was limited to internal trade only. c) included the trans-saharan and indian ocean slave trade. d) was rarely needed due to the lack of an agricultural economy.

Which of the following acts or treaties tried to american indians?

Does anyone know why the second great awakening occurred? (i need an answer asap because this is a question on my assignment! < 3 : ))