In the early and mid-1800s, much of the southern economy depended on unskilled labor supplied by immigrants. goods manufactured by skilled craftsmen. advances in manufacturing technology. labor provided by enslaved workers.

Labor provided by enslaved workers.

Explanation:

Before the civil war that occurred in the South in the 18th century, the southern people depend on the enslaved people to improve their economy. Agriculture was the major occupation of the southerners because the Lord blessed them with good land. Many southerners engage themselves in farming but they don’t enough hands to help them on their farm which results in enslaving of Africans.  

A... took the test got 100

Explanation:

In the early and mid-1800s, much of the North’s economy depended on

unskilled labor supplied by immigrants.

goods manufactured by skilled craftsmen.

advances in agricultural technology.

labor provided by enslaved workers.

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explanation:

i think it was   tsar alexander ii