How is Social Mobility obtained in Capitalism? How is this different from
Socialism and Communism?

Both socialism and communism are essentially economic philosophies advocating public rather than private ownership, especially of the means of production, distribution and exchange of goods (i.e., making money) in a society. Both aim to fix the problems they see as created by a free-market capitalist system, including the exploitation of workers and a widening gulf between rich and poor.

its whatever your mind tells you

it further strained relations between the north and the south and convinced