Black codes and jim crow laws were attempts by americans to legalize
a. segregation and discrimination
b. redlining
c. filtering
d. deterioration

During this time, black people finally found their freedom. Most people in the South, Southerners, did not like this idea. So they imposed these harsh laws, where the black race could not find work,shelter, etc; so they went back to their former owner, and once again "forced" to work for them. Thus, the answer is A.

C.
bc it accomplished his goal (of reaching the moon in a decade) keeping them in front of the space race.