A method of procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses.
The answer is imperialism.
Assimilation was considered one of the keys to successful imperialism. According to Oxfords dictionary, imperialism is a policy of extending a country's power and influence through diplomacy or military force.
The fourteenth amendment is part of the civil war amendments, following the end of the civil war. This amendment gives anyone citizenship who is born or naturalized into the United States.
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