Which was part of the Colombian exchange?

Trading good was apart of the Colombian. Stuff like trading horses, sugar plants, Tabaco but not only goods it also came with disease  

an economic reason that the south needed a reconstruction plan is that plantations, factories, and other businesses were destroyed during the war.

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.”