Which idea was not part of karl marx's philosophy as seen in das kapital or the communist manifesto? a. if leaders followed the rules of christianity, they would be better rulers. b. business owners have never been fair to their workers. c. capitalism is a bad economic system. d. workers are the real producers of wealth.

an era of negotiation.

is that an answer to your question?

in 1862, president lincoln's emancipation proclamation opened the door for african americans to enlist in the union army. although many had wanted to join the war effort earlier, they were prohibited from enlisting by a federal law dating back to 1792.

explanation: