Which of the following was a territorial gain made by the united states as a result of the spanish-american war?

the manhattan project's indispensable man

  the common sense as a pamphlet written by thomas paine. it promoted the independence of the colonies from british rule. the distribution of this pamphlet was great, it reached people everywhere and it was even read aloud at places people met. it also unite the colonists before the revolutionary war.

answer is d