Answer:
Prohibiting slavery in the territories.
Explanation:
According to the ruling it was decided that Congress had exceeded their authority when ratifying the Missouri Compromise, and therefore "had no power to forbid or abolish slavery in the territories west of Missouri and north of latitude 36°30" (Britannica.com).
Because there will always be water on earth, meaning that the cycle will never stop. And because the cycle is continuous and natural. I don't think anything can stop it from happening.
Answer:
Social media makes it faster to spread rumors and misinformation, weather about a person or topic.
If someone posts something controversial, say, which president is better, then they might get a lot of hate drawn to them from people of the other side, and from people personally disagreeing with them.