During the Civil War the northerners fought because they were against slavery, the southerners fought because the slaves did the work for them.
Answer:
The Tito–Stalin split, or the Yugoslav–Soviet split, was the culmination of a conflict between the political leaderships of Yugoslavia and the Soviet Union, especially under Josip Broz Tito and Joseph Stalin, in the years following World War II. ... Stalin tried to pressure and moderate Yugoslavia via Bulgaria
Jamestown is your answer to this question
"C. <span>Muslims finally defeated the Christian crusaders and retained control of the Holy Land" is the best option from the list since this happened but only for a short time. </span>
