What were the characteristics of the progressive era?

Characteristics of the Progressive Era include purification of the government, modernization, a focus on family and education, prohibition, and women’s suffrage. Many Progressives sought to rid the government of corruption, and muckraking became a particular type of journalism that exposed waste, corruption, and scandal on an national level.

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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:

the enslaved people onboard suffered from illness with some frequency