B). Jim Crow segregation laws were made possible by the Plessy v. Ferguson decision.
Explanation:
The second statement most adequately narrates the association between Plessy v. Ferguson and Jim crow. It shows that the discriminatory Jim Crow laws of racial segregation were made practicable only by the milestone Plessy v. Ferguson decision of the United States' supreme court. This decision allowed discrimination on the basis of race to be legal by asserting that 'separate yet equal' even for different public facilities like education, transportation, restaurants, etc. Thus, <u>option B</u> is the correct answer.
