Colonialism: Colonialism refers to a practice where a powerful country establishes control over a weaker nation or territory for economic exploitation or political dominance.
Open Door Policy: The Open Door Policy was a diplomatic initiative proposed by the United States in late 19th century China, which aimed at ensuring equal access for all countries to trade with China.
Yellow Journalism: Yellow journalism refers to sensationalized news reporting that exaggerates stories and uses misleading headlines in order to attract readership. It played a significant role in shaping public opinion on American imperialistic ventures.