What caused economic tensions between the North and South since they both had different economies

The issue of slavery caused tension between the North and the South. ... Some Northern workers and immigrants opposed slavery because it was an economic threat to them.

Explanation: hopes this helps

:))

a phrase from a poem by ralph waldo emerson about the battle of lexington and concord. emerson's words read, “here once the embattled farmers stood / and fired the shot heard round the world.”