The correct answers:
1) tainted source is adulterated, biased and corrupted information that may eventually affect a study, trial, investigation.
2. Historical research is important because it can help students and teachers (masters, professors, educators) understanding with assurance the fact in a essay/ study/ investigation. The main purpose of historical research is preserving and interpreting facts correctly.
example of dubious secondary information: fake news, when there is divergent information about an official source of information. Often the source language is not appropriate, accurate, and unbiased.
this is the answer school will ask you for:
In the 1860s, the Copperheads, also known as Peace Democrats, were a faction of Democrats in the Northern United States of the Union who opposed the American Civil War and wanted an immediate peace settlement with the Confederates.
this is my opinion :
white ppl coudln't do anything without blacks so both sides knew black ppl were strong so they promised them freedom and payments so they could join them.
for 10 years, kept the Chinese from immigrating to the United States in search of jobs.
One difference is how their vote4d in office otherwise Idk the other one
