What is a central idea of "On the Front Lines with Thurgood Marshall"? Marshall worked with professionals from a wide range of fields.
O Marshall helped build schools for blacks so they the same educational opportunities as whites.
O Marshall was a unifying figure who changed laws and long-standing racist beliefs.
O Marshall was the first attorney to practice public-interest law.

Correct answer is

"Marshall was a unifying figure who changed laws and long-standing racist beliefs."

Explanation: I just finished the test and I'm checking it right now, that's the right answer for k12 I also got 80%.

awnser:

over the two days of the convention, presided over by lucretia’s husband james mott, the declaration of sentiments was read and its resolutions debated. the ninth resolution continued to be the most controversial, particularly because the attendees were predominantly quaker, and quaker men often declined to vote. freed slave and newspaper editor frederick douglass argued for approval of the resolution and convinced the audience of its necessity. at the end of the convention, about 100 of the attendees signed the declaration, although some removed their names later due to criticism.