!!!!PLEASE ANSWER ASAP!!!!!
What was the basis for Dred Scott's of free status?
a. Dred Scott's owner had abandoned him in a free territory.
b. Dred Scott had been purchased illegally while living in a free territory.
c. Dred Scott's owner had lived in free areas with Dred Scott as a slave.
d. Dred Scott had remained in Illinois, a free state, when his owner moved to a slav​