Why does agriculture thrive in the Delta-Yazoo region? The region is full of dense pine forests.
The region has swampy land and good soil.
The region has a lot of fertile loess soil.
The region is full of sandy beaches.

The region has a lot of fertile loess soil.

Explanation:

Loess Soil typical contain large amount of silt particles  and the texture is easily penetrated by the plants' roots so they can absorb a lot of nutrients from the soil.

Delta-Yazoo region possess large portion of Loess Soil.  Agricultural crops that's planted within these region will have a really high chance to grow to their full potential, making it a lucrative business sectors for capital owners to invest in.

the historians cited in the article all agree with one another about the cause of the civil war. despite coming from different backgrounds and cultures, the historians agree that slavery was the root cause of the civil war. the fact that all these historiansgenerally agree with one another makes their shared viewpoints more reliable and valid, especially because the historians have different backgrounds and all work for the well-respected institutions of howard university, clemson university, and the university of colorado.