Manifest Destiny was a 19th-century belief in the United States that Americans were destined by divine providence to expand their territory across the North American continent. The term was coined ...

McKinley sent U.S. troops into Cuba into 1898 and then, at the conclusion of the Spanish-American War, justified the taking of the Spanish Philippines, Guam, and Puerto Rico with the argument that ...

The century of transition from the mid-1800s to the end of World War II saw the rapid ... The United States struggled to hold onto its young union, fulfilled its declared "Manifest Destiny" and began ...