Answer:
• The United States annexes Hawaii in 1900 - Imperialism
This annexation was a form of American Imperialism because Hawaii used to be an independent, self-governing country at the time. American annexed the country, and ended the Hawaiian monarchy, making Hawaii an American territory, in other words, a colony, although it would become a state in 1959.
• The United States attempts to mediate in the Venezuela-Great Britain dispute in 1895 - Interventionism
This is a form of American interventionism because the U.S. intervened in the affairs of two independent countries: Venezuela and Great Britain. This intervention was influenced by the Monroe Doctrine: the doctrine that stated that Latin America was part of the U.S. sphere of influence, and that European powers should not intervene there.
• The United States declines to give aid to Hungarian patriots in 1849. - Isolationism
This decline is a form of American isolationism because the U.S. refused to give aid to the patriotic Hungarian cause, and decided instead to say away from European affairs, and more specifically, Austro-Hungarian affairs.
