How did the outcome of the mexican-american war affect trade in the united states? a. it made trade with asian countries easier. b. it provided a trade route between the united states and canada. c. it prohibited trade between the united states and south america. d. it had very little impact on trade, since the area gained was mountainous.

Which factor most contributed to the united states' decision to enter world war i? a) germany attacking merchant ships that carried american civilians. b) the allied powers victory in the battle of the somme c) the ottoman empire beginning a campaign of genocide against the armenian people d) mexico launching attacks on u. s. territory with the of germany