Mainly because it toughened-up the Fugitive Slave Act, allowing official slave-catchers to hunt down runaways.
This recruited many new Abolitionists, and caused Harriet Beecher Stowe to write 'Uncle Tom's Cabin'.
A - drawing a white card
B - drawing a secong white card

i think your answer might be C, but im not completely sure, dont attack me if im wrong
Oligarchy - a government in which control is exercised by a small group of individuals whose authority generally is based on wealth and/ or power.
Answer:
Disease
Explanation:
Diseases impacted the natives a lot more than any other option as it killed most of them.