Which cash crop was the largest export from the south just before the civil war?

Cotton was crash crop that  the largest export from the South just before the Civil War.

The more cotton grown, the more slaves were needed to pick the crop. By 1860, on the eve of the American Civil War, cotton accounted for almost 60% of American exports, representing a total value of nearly $200 million a year.

A. democrat, republican, whig, other.(the democratic and republican parties are the main 2 american political parties, the whig party was popular among the early presidents, and the “other” option allows for outliers)