Florida
I know this because I did this a few months ago
The answer is Lincoln raised an army. With the vote in 1860
of Abraham
Lincoln, who competed on a message of covering slavery to where it now
existed, and the achievement of the Republican Party to which he went – the
first completely regional party in US history – in that voting, South Carolina separated
on December 20, 1860, the first state to ever formally separate from the United
States. Four months later, Georgia, Florida, Alabama, Mississippi, Texas and
Louisiana separated as well.
The Big Stick Diplomacy was implemented by Theodore Roosevelt and was a policy of intervenience in Latin American affairs because in the American view those countries could not keep their affairs in order.
The Dollar Diplomacy adopted by President Taft that promoted the American business interests abroad by replacing military alliances with economic ties, increasing American influences and securing lasting peace.
Both Diplomacies had problems but historians say that Roosevelt’s Big Stick was more successful overall because it resulted in more benefits than failures. The other two diplomacies increased hostility in Latin America and in Asia that eventually influenced the Alliances in WWI.
The overinflated stock market helped cause the Great Depression when the stock market burst and all of the prices started to fall drastically.