<span>According to Carnegie, the duty of the man of wealth is to set an example of modest and unpretentious living, and abstaining from a display of luxury where they provide service by distributing their surplus wealth to the benefit of the community.</span>
The political and economic theories of Karl Marx and Friedrich Engels, later developed by their followers to form the basis for the theory and practice of communism.
I believe that the answer is B
The freedom of enslaved African Americans on the 1st of January in 1863, as well as their right to civil liberty.
Jim Crow laws<span> were state and local </span>laws<span> enforcing racial segregation in the </span>Southern<span> United </span>States<span>. These </span>Jim Crow laws<span> followed the 1800–1866 Black Codes, which had previously restricted the civil rights and civil liberties of African Americans.
Hope this helps!</span>
