Colonialism

The Monroe Doctrine was a foreign policy statement declaring that the Americas were closed to European colonization. It asserted a sphere of influence for the United States. It also promised U.S. non-intervention in European affairs in return for Europe's non-interference in the Americas.…

Clifford Berryman's political cartoon "Separated," published in the Washington Post, illustrates the congressional debate over Puerto Rican governance. Following its acquisition from Spain after the Spanish-American War, the question was whether Puerto Rico should be subject to the U.S.

Victor Gillam's 1899 cartoon critiques the imperialist concept of the same name by depicting John Bull (Britain) and Uncle Sam (U.S.) as they struggle to carry baskets filled with caricatured non-white peoples up a steep hill.

"Uncle Sam's New Class in the Art of Self-Government" is a political cartoon by W.A. Rogers. It satirizes American imperial expansion after the Spanish-American War.

The Hay–Bunau-Varilla Treaty was an agreement between the United States and the newly independent Republic of Panama. It granted the U.S. the authority to construct and manage the Panama Canal. U.S. Secretary of State John Hay negotiated the treaty with Philippe-Jean Bunau-Varilla, a French…

The Vieques Island protests arose between 1999 and 2003 on the small Puerto Rican island of Vieques. These protests occurred against the United States Navy’s use of the island for live‑bombing exercises dating back to World War II. They ignited after an errant 500‑pound bomb dropped on April 19, …

School Begins is a 1899 political cartoon created by Louis Dalrymple. It was published in Puck magazine. The cartoon satirizes American imperialism following the Spanish–American War.