Slavery was incredibly divisive because the Us was expanding into the west, and each new state had to decide whether it was going to be "slave" or "free", so there was no middle ground in terms of how the extension of slavery would unfold. This led to the Civil War.
10,000 - 100,000 more people
Percy Julian
Percy Julian was a doctor living under Jim Crow, who pioneered the drug industry. After he developed the chemical synthesis of hormones like progesterone and testosterone, he became the first African American chemist inducted into the National Academy of Sciences. His research also laid the groundwork for the modern day steroid.
Answer:
Following a voyage to the Americas by Cristopher Columbus in 1942
Explanation:
