Why did the growth of slavery cause problems in the Roman Empire?

People stopped working as farmers and became enslaved.
Slavery allowed people of all classes to get jobs and make money.
Slavery left fewer jobs for free people who needed to earn money.
Taxes on the use of enslaved people became too high.

Why was the monroe doctrine necessary?

Aesop was an ancient storyteller who was credited with writing the liad the odyssey a series of fables the legend of king minos

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.