USH U3 USA FY21 Question during the late 1800s was most affected by U. S. foreign relations with which

the protestant reformation's started in 1517, disturbing the religious and political order in europe´s catholic countries. the outcome was the european wars of religion prosecuted in europe in the 16th, 17th and part of the 18th century. nonetheless, uprisings, territorial disputes, and great power conflicts were also causes of the wars.  

i believe the answer is a

the allies' desire to seek retribution for germany's actions