Abolition of the slave trade
Ending the Atlantic slave trade was a long process that involved changing economic circumstances and rising humanitarian concerns. In the late 18th century, European economies began to shift from agriculture to industry. Plantations remained profitable, but Europeans had promising new areas for investment. Also, the need for the slave trade lessened as American slave societies approached the point where they could reproduce enough offspring to meet labor needs.
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showed last 75 words of 371 total
independent American nations but added that the United States would not interfere in existing European colonies or in Europe itself.
It eventually became one of the foundations of U.S. policy in Latin America. Because it was not supported by congressional legislation or affirmed in international law, Monroe's statement initially remained only a declaration of policy; its increasing use and popularity elevated it to a principle, specifically termed the Monroe Doctrine after the mid-1840s