Answer:
It is Imperialism.
Explanation:
The US's imperialist policy began in the late 1890s, when the Spanish-American War broke out. The Americans won, and occupied Cuba, the Phillipines, and also Guam. In the same year, the US also passed the Newlands Resolution, which allowed the US to annex Hawaii.
Experiment.
It is a systematic process that carries out to make a finding or determine an identified fact, an inventive act or method. It is also authenticating a theory, offers perception into principle of causation by validating what conclusion arises when a specific aspect is handled
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The American colonies declared their independence
