Answer this correctly and don't guess

dred scott sued for his freedom based on

select the best answer from the choices provided.
a.
the promise that upon death of his first enslaver, he would be freed
b.
past travel to free states with his enslaver
c.
his illegal capture under the fugitive slave law
d.
the kansas-nebraska act

What happened as agriculture became entrenched in the south ?

Brainliestttme : ) -what reforms were made in communist china?

Why were presidents andrew jackson and martin van buren unwilling to annex texas? a. they did not want texas to be admitted to the union as a slave state. b. they feared that the annexation of texas as a slave state would lead to political problems within the union. c. they thought that texas was too large to be admitted to the union as one state. d. they did not believe in the idea of manifest destiny.