To maintain U.S. influence in Latin America. To warn Europe to stay out of south America and to declare the united states rights to intervene in south America
The Ku Klux Klan was created after Abraham Lincoln had claimed slavery was no longer legal. The KKK went around, killing black people and such. They also protested around the segregation process. They are still around to this day, but I don't believe that are killing anymore.
B. Originally Spain allied with Neapolitan until he backstabbed them, so option 3 has to be sore the since they where all against him at the beginning of the war
People in towns didn't have to give their produce to feudal lords and were independent if they paid their taxes, and the taxes were not as high as they were for people in the land. This caused many people to abandon their feudal lords and move to cities where they would work freely.