How did the supreme courts decision in scott v sandford affect the issue of slavery in the united states? select two correct answers.
a. it decided the issue in favor of slavery permanently.
b. it invalidated the missouri compromise
c. it put the issue of slavery into the hands of voters in each new territory
d. it provided protections for enslaved people who were brought to free states
e. it ruled that african americans could not be considered citizens of the us