What issues did our newly appointed president george washington struggle with?

Financial

Explanation:

After the war, America was basically in student loans type debt but 10 times worse

the decreasing neutrality of the u. s. in world war i

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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: