What was the major impact of plessy ferguson upon american society?

C- testprep, it upheld segregation laws and may segregation the law and land.

Explanation:until this court case, states have laws about segregation, such as separate train cars for black and white, but were not enforceable across state lines. This court case now said that segregation, as long as it was equal, was constitutionally valid, and it became the law of the land until 1954.

the mothers played a major role in confronting the government and ending the war.