Answer:
Great Schism of 1054
Explanation:
The church in 1054 split into Roman Catholic and Eastern Orthodox due to differences in religious and political beliefs that had been developing between the east (Eastern Orthodox) and the west (Roman Catholic).
The U.S wanted to remain neutral, based on what Woodrow Wilson wanted, but after Germany started sinking U.S ships, they got included.
probably E, because it could lead to war, plus this goes more along the lines of world affairs.
The holy roman emperor (Henry IV) wanted to make the church independent from secular rulers so he banned the practice of Lay Investiture. The pope (Gregory VII) excommunicated him and went to find a new emperor when Henry IV confessed to him he was a sinner and Gregory forgave him. But Henry was so butt hurt about it that he sent to roman military to kill the pope.
:)
