Make laws hope this helps
Answer:
Dred Scott decision, formally Dred Scott v. John F.A. Sandford, legal case in which the U.S. Supreme Court on March 6, 1857, ruled (7–2) that a slave (Dred Scott) who had resided in a free state and territory (where slavery was prohibited) was not thereby entitled to his freedom; that African Americans were not and could never be citizens of the United States; and that the Missouri Compromise (1820), which had declared free all territories west of Missouri and north of latitude 36°30′, was unconstitutional. The decision added fuel to the sectional controversy and pushed the country closer to civil war.
Dred Scott
Explanation:
It's B. Sir
The columbian exchange is quite important. This "event" was named after Christopher Columbus and this was used to transfer plants, animals, some culture products or what people used, technology, and pretty much the very basic yet important key things that many people needed. These were all exchanged from America to West Africa, and I believe the Old world. I can't really get the times. But this is the basic information needed.
Have a nice day.
Mohammed suffered from certain qualities