It would be primarily "The Church and the Crusades" that <span>played a significant role in uniting the kings and people of Europe, since adhering to religious principles back then was the norm for most. </span>
Liberals is the correct answer
It's D to divide the confederacy, it wa part of the anaconda plan. Step 1, blockade ports to prevent outside help. Step 2, split the south in half at the mississippi river (the battle of vicksburg was to capture a major control point of the mississippi completing step 2). Step 3, march on the capital city.