On what grounds did dred scott sue for freedom?
the inherent inhumanity of slavery
the cruelty of his master
the fact that he had lived in free states
the fact that his family would be torn apart

He sued on the grounds that he had once lived in a free territory.

i believe the answer is d. it was not uncommon for people to faint or even convulse at these high-energy meetings.

they wanted the u.s. to fight on the side of the central powers.