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
Monroe County, Michigan River Raisin National Battlefield Park. Monroe County was formed from the southern portion of Wayne County in 1817. At the time, the Michigan Territory, which had not yet received statehood, consisted of only Wayne County since Detroit was the only area with a population over 1,000 people. When the area became more populated, the southern portion of Wayne County was broken off to form Monroe County with the settlement of Frenchtown was platted with the name "Monroe". The settlement also incorporated as a village in 1817 and became the county seat of Monroe County. The county and its county seat