which philosophy helped rich people justify their fortunes as compared to the troubles experienced by working class people in america

A. Social Darwinism

Explanation:

Charles Darwin attempted to explain the evolution of organisms on Earth by saying that the stronger organisms survived because they were able to adept to the environment better. This was called Darwinism.

People took this concept and applied it to other forms of life including the social sphere. A concept known as Social Darwinism came up where rich people attempted to justify their wealth by saying that the strong in society were supposed to get richer and more powerful whilst the weak were to get poorer.

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.