Monroe Doctrine
2 Dec 1823
Causes: Latin American countries were going through revolutions against Spain or Portugal and achieving independent. President Monroe issued this doctrine stating that no European powers were allowed to colonize in Latin America and the US alone could intervene in Latin America.
People: President James Monroe
Effects: The Monroe Doctrine was the beginning of US imperialism in Latin America. The doctrine also supported Manifest Destiny and expansion of the US through North America.