I would say it is a domestic terrorism “domestic terrorism<span>” </span>means<span> activities that— involve acts dangerous to human life that are a violation of the criminal laws of the United States or of any State</span>
The Civil War was based on a disagreement on slavery, but slavery was not the main issue. The Union opposed the South's economic system (slavery) and the South was not too happy about that so they began seceding from the Union. President Lincoln's main goal was to preserve the Union and to get the Southern states to come back. Slavery was just something that had gotten taken care of during the Civil War.
It would be that "c. the chairman of the veterans' bureau laundered nearly 200$ million" that was not a scandal associated with the harding administration, since this in fact happened during the previous term.
It united the culture of the Inca people and created a sense of loyalty to the emperor.
The order helped by acquiring wealth to ransom Christians who were taken by Non-Christians during the crusades. Many crusaders were captured and countries had to pay huge amounts of money for them which was often not worth it. The trinity was established to help the crusaders by getting those people home.