What year did the civil war end? Who was president during this time?

American Civil War · End date

13/05/1865

Abraham Lincoln was the president of the United States during the Civil War.

Explanation:

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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:

2018 means 2018 ce or common era

there have been other eras too including bce, which included way more years.