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.
He proposed the idea of popular soverenty, which means the people vote on issues that concern the state they live in.
If we are talking about legacy of each culture in a general sense..? Then the greatest legacy a culture could have is a culture that doesn't fade away throughout time but instead grows and changes through history. A Culture that will be remembered because of the impact it had on the world.
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Answer:
The Black Death and subsequent plague epidemics in the 14th century had marked social and economic effects, reduced the prestige of the Church and off the medical profession, and were a factor in the social unrest which led to the Renaissance of the Reformation.
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