Why would the north allow the south to pass restrictive laws? (black codes)

the constitution of the united states gave congress the absolute authority over immigration laws

the space race was a battle to make advanced technology to get to the moon and to get a better understanding of space.

answer: held for the purpose of bringing nazi war criminals to justice, the nuremberg trials were a series of 13 trials carried out in nuremberg, germany, between 1945 and 1949

explanation:

some american cities felt workers were being oppressed by business monopolies