Answer:
OB. agricultural economy
Since the southern colonies had an agricultural economy, they relied on the labor of enslaved people to work on plantations and support their agricultural activities.
Step-by-step explanation:
Due to the southern colonies' reliance on an agricultural economy, they depended on the labor of enslaved people to work on plantations. The widespread cultivation of crops like tobacco and rice contributed to the demand for labor, leading to the use of enslaved individuals to sustain the agricultural system.