What was one important factor that encouraged the development of an an agrarian economy in the antebellum South? A.
A large number of migrant workers allowed crops to be grown cheaply.
B.
The cool, dry climate allowed cotton to be easily cultivated.
C.
The warm, moist climate allowed for longer growing seasons.
D.
An efficient transportation system allowed crops to be easily shipped.

The warm, moist climate allowed for longer growing seasons.

Explanation:

The antebellum period often referred to as the plantation era

In order to grow properly, Plants need a combination of perfect weather, sunlight, water, and nutritious soil. The Southern states possess all of these characteristics. This is why, the southern states focused most of their resources on agricultural economy.

Southern states use large amount of slaves labor in order to sustain their agricultural operation.  This is far cheaper compared to hiring migrant workers.

what the first or next guy says