Answer:
A change in government regulations.
Explanation:
<span>European settlement had overwhelmingly negative consequences for Native Americans. Though Native American tribes did occasionally form positive relationships with European settlers, permanent European settlement in America eventually led to disease and displacement. Native Americans had no immunity to European illnesses and their population was devastated by the (sometimes deliberate) introduction of diseases like smallpox. Over time, most surviving tribes were forcibly relocated from their traditional lands to make way for expanding European settlements.</span>
A Timeline
Hope this helps :)
The current slaves before 1808 had babies, and that's how plantations kept their slave population
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