The judicial branch is in charge of deciding the meaning of laws, how to apply them to real situations, and whether a law breaks the rules of the Constitution. The Constitution is the highest law of our Nation. The U.S. Supreme Court, the highest court in the United States, is part of the judicial branch.
Under Jim Crow, Black Georgians suffered a system of discrimination that pervaded nearly every aspect of life; they were denied their constitutional right to vote, encountered discrimination in housing and employment, and were refused access to public spaces and facilities.
Hope that helped you a little bit :)