<span>Spain sold Florida to the united States. The Adams-Onis Treaty was approved by Spain and the </span>United States<span> in 1821.</span>
I’m pretty sure it is Santa Fe
The correct answer in this case is liberalism.
Socialism is the opposite as it entails (Among other things) the idea of fast changes, if need be with revolution. Neither does utilitarianism talk about social progress through reform.
Libertarians talk exactly about what the question is about; one of the main tennets of liberalism is that they prefer and would like to witness social change through reforms.
With the signing of the Treaty of Ghent in 1814 and the end of the War of 1812, many Americans viewed the Federalists as traitors. The Federalist Party collapsed, leaving the Democratic-Republican Party as the only political party in the United States until the mid-1820s.