I would say Washington DC because the White House was burned down
Unclear winner in Florida with much tension rising since it was left undetermined for awhile. Constant fighting between the two parties and so the Supreme Court had decided to intervene which led to the most controversial supreme court decision in American history.
American missionaries and fruit planters led to the change in Hawii because the government eventually became involved and took over the Hawaii. They went ahead and converted the indigenous people who were living there into Christians. This was the major government change.
Free soilers or free staters