Reasons for US imperialism in the late 1800s/early 1900s

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Explanation:

A majority of Americans in the late 1800s and early 1900s believed that whites were superior to other races in culture, religion and ability to govern. boomed. Companies built overseas factories.

first one the food administration

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: