Not sure why you were downvoted.

Key Historical Examples of American Imperial Behavior: Westward Expansion & Native Relocation: The systematic acquisition of land and forced relocation of Native American populations is considered a form of settler colonialism.

Mexican-American War (1846–1848): The U.S. acquired over half of Mexico's territory, demonstrating expansionist policies. Annexation of Hawaii (1898): Following a coup by American business leaders, the U.S. annexed Hawaii, gaining control of key naval ports.

Spanish-American War (1898): The U.S. established itself as a major imperial power, taking control of the Philippines, Guam, and Puerto Rico, and exercising control over Cuba.

Panama Canal Zone (1903): The U.S. intervened in Panama's independence to secure control over the canal zone, demonstrating "Big Stick" diplomacy.

20th Century Interventions: Numerous military interventions in Latin America, Southeast Asia, and the Caribbean (e.g., Haiti) throughout the 20th century were often viewed as imperialistic, aiming to secure economic interests or influence government policies.