A is correct because the Supreme Court in the Plessy v. Ferguson decided that the separate but equal law was constitutional.
Hope this helps!
Dred scott’s owner fought for his freedom but lost
that’s the best i can do
What cause the Great depression was the the economy crashed due to credit cards etc
There were many ways varying from plain sabotage where they claimed that the Portuguese merchants were thieves, up to more controversial means such as ordering their assassinations and telling the king that he should have them killed because they didn't give him presents and plan to enrich their wealth at his expense.
