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.
In the North they were somewhat more tolerant of the African Americans, allowed them to join their ranks but not necessarily fight some were assigned basically “house duty” such as cleaning the hole where many of soldiers had taken dumps in, tend to the horses, make the food and go on patrol. The leaders also needed more men to be recruited into the Union Army and many African Americans were eager to what they thought prove their loyalty and devotion to America where they’d hopefully be accepted and given a citizenship
Chai Ling is a Chinese psychologist who was one of the student leaders in the Tiananmen Square protests of 1989; which ended with the massacre of hundreds of demonstrators by army troops and riot police!
Technically, yes, it is true that the development of the middle class signaled a decline in the importance of nobility, since people were able to have more economic freedom.