How did the practice of using enslaved workers support the southern economy?
enslaved workers tended factory machinery, which the south’s manufacturing-based economy.   
enslaved workers harvested crops on plantations, which the south’s agriculture-based economy.   
the use of enslaved workers allowed white southerners to follow the southern code, which promoted manufacturing.
the use of enslaved workers led to the creation of corporations in which southerners could invest.

Enslaved workers harvested crops on plantations, which helped the South’s agriculture-based economy.

Option B

Explanation:

South’s agriculture-based economy is also said to be slave-based economy although it was profitable but had negative impact on southern economy. Slave-based economy that means slave societies had no development in the fields of technology and didn’t develop the centers of commerce. Southern agricultural economy is based mainly on cotton and other is tobacco, sugar, rice and grain. This includes the bordering areas of Mississippi, Alabama, Louisiana.

B

Explanation:

B

using the scientific method.