Answer:
The Great Schism came about due to a complex mix of religious disagreements and political conflicts. One of the many religious disagreements between the western (Roman) and eastern (Byzantine) branches of the church had to do with whether or not it was acceptable to use unleavened bread for the sacrament of communion.
Explanation:
Look it up and you will find it
I don't have the proper answer and you might have to do research but America did gain much from the war such as Cuba, The Philipines, and Guam.
The answer is C, the US successfully tested an atomic bomb.