PLEASE HELP QUICKLY: (FIRST ANSWER GETS BRAINLIEST) What was stated in the Dred Scott decision?

Slaves should be made American citizens.

Slaves were free when living in a free territory.

Slaves were the property of their owners.

Ineed to have answers for numbers 2-4 reply to this question

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

What was going on with south asia before europeans came ?