What were the three main reasons that Southern states supported slavery?

They pleaded in their favor the infancy of their business in this country, the scarcity of labor and capital, the hostile legislation of other countries toward them, the great necessity of their fabrics in the time of war, and the necessity of high duties to pay the debt incurred in our war for independence.

Explanation:

sola scriptura

sola fide

sola gratia

solus christus or solo christo

soli deo gloria

it is the dominance of   the spanish language and roman catholic region in mexico, french being the official language of several african countries, and the existence of a western-style government in south asian countries