How did regional economic differences impact the Civil War?

For years, textbook authors have contended that economic difference between North and South was the primary cause of the Civil War. The northern economy relied on manufacturing and the agricultural southern economy depended on the production of cotton. 

For years, textbook authors have contended that economic difference between North and South was the primary cause of the Civil War. The northern economy relied on manufacturing and the agricultural southern economy depended on the production of cotton. ... The clash brought on the war.

Explanation:

fir trees are found in areas with cooler climates. fir trees have needles for leaves and remain green year-round.

the invasive species was introduced due to commercial purpouses, as there was a demand for fur clothes and hence, a business opportunity connected to this product. actually, it was when the nutrias scaped, causing harm to the us ecosystems when they acquired the status of invasive species. in this case they have caused an environmental problem, but it could have affected also economic interests or even human health.