the first all black combat regiment was the 54th Massachusetts Infantry Regiment there's not a definitive answer on who the first African American soldier was.
John Locke believed that humans were created equal with rights and he believed them to be normal as well and that they use to be living under equal rights and freedom like freedom of slavery so to speak.
The chinese peasants and peasant economy got a general boost in the amount of rights that they had, as the Mongols were herdsmen themselves (kinda).
hope this helps
B. The Colosseum is the Roman structure in the picture.
The four Causes of the Civil Wars Slavery, One Union vs state's rights, The growing differences between the North and the South and The election of President Lincoln.
I would say Communism played a big role in it too.
hope this helps and have a great day!