James Monroe a dispute over the admission of Missouri roiled the country in 1820. Nonetheless, Monroe won near-unanimous reelection. Monroe supported the founding of colonies in Africa for freed slaves that would eventually form the nation of Liberia, whose capital, Monrovia, is named in his honor. In 1823, he announced the United States' opposition to any European intervention in the recently independent countries of the Americas with the Monroe Doctrine, which became a landmark in American foreign policy. His presidency concluded the first period of American presidential history before the beginning of Jacksonian democracy and the Second Party System era. Following his
James Monroe Quincy Adams of Massachusetts as Secretary of State, making Adams the early favorite to eventually succeed Monroe. An experienced diplomat, Adams had abandoned the Federalist Party in 1807 in support of Thomas Jefferson's foreign policy, and Monroe hoped that the appointment would encourage the defection of more Federalists. After General Andrew Jackson declined appointment as Secretary of War, Monroe turned to South Carolina Congressman John C. Calhoun, leaving the Cabinet without a prominent Westerner. In late 1817, Rush was appointed as the ambassador to Britain, and William Wirt succeeded him as Attorney General. With the exception of the Crowninshield, Monroe's