U.S. imperialistic efforts refer to deliberate actions taken by the United States government and businesses to extend their political, economic, or military influence beyond their borders during the late 19th Century. This often involved acquiring new territories or exerting control over existing ones.
Related terms
Manifest Destiny: A belief prevalent in America during the 19th Century that it was destined by God's will to expand its territory from coast-to-coast.
Spanish-American War: A conflict fought between Spain and the United States in 1898 that resulted in American territorial gains and marked a turning point in U.S. imperialism.
Monroe Doctrine: A policy introduced by President James Monroe in 1823 that warned European nations against further colonization or intervention in the Western Hemisphere.