To be a President you need 270 electoral votes
Provide for the common Defense. Congress appropriates funds for national defense and has the power to declare war. By approving international agreements and the appointment of ambassadors, Congress also supports efforts to resolve conflict through diplomacy.
I'm not 100% sure on what the answer is but I think its either B or C.
Answer:
Once they embarked, settlers faced numerous challenges: oxen dying of thirst, overloaded wagons, and dysentery, among others. Trails were poorly marked and hard to follow, and travelers often lost their way. Guidebooks attempted to advise travelers, but they were often unreliable.