Which of the following lists four key events in the history of civil rights in the order that they occurred from first to last?
a. Brown vs. Board of Education, Civil Rights Act of 1964, Equal Rights Amendment, Plessy vs. Ferguson
b. Plessy vs. Ferguson, Brown vs. Board of Education, Civil Rights Act of 1964, Equal Rights Amendment
c. Plessy vs. Ferguson, Civil Rights Act of 1964, Equal Rights Amendment, Brown vs. Board of Education
d. Civil Rights Act of 1964, Brown vs. Board of Education, Plessy vs. Ferguson, Equal Rights Amendment