What is a central idea of "On the Front Lines with Thurgood Marshall"?
Responses

Marshall was the first attorney to practice public-interest law.
Marshall was the first attorney to practice public-interest law.

Marshall helped build schools for blacks so they the same educational opportunities as whites.
Marshall helped build schools for blacks so they the same educational opportunities as whites.

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

Marshall worked with professionals from a wide range of fields.