During the late 1800's the use of child labor in united states factories was most opposed by

Child Labor was opposed by reformers and union activists. Child labor involved the exploitation of children and often they worked longer hours for less pay in more dangerous jobs.

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:

answer: false. due to the church's swaying authority on common law, it influenced secular music greatly.

explanation: