From the Treasury records of 1861 http://constitution.org/uslaw/treas-rpt/1861_report_secretary_treasury.pdf
UNITED STATES EXPORTS for 1860
NORTHERN ORIGIN.
Products of the sea . . . . . $ 4,156,180
Forest . . . . . . . . . . . . 9,368,917
Provisions . . . . . . . . . . 20,215,226
Breadstuffs . . . . . . . . . 19,022,901
Manufactures . . . . . . . . . 25,599,547
Total Northern Origin . . . . .$77,363,070
SOUTHERN ORIGIN
Forest . . . . . . . . . . $ 6,085,931
Breadstuffs . . . . . . . . 9,567,397
Cotton . . . . . . . . . . 191,806,555
Tobacco . . . . . . . . . . 19,278,621
Hemp, &c. . . . . . . . . . . 746,370
Manufactures . . . . . . . .10,934,795
Total Southern Origin . . . . . $238,419,680
Total exports . . . . . $335,782,740
Not only is his history skewed, so is his math.
They way I calculate it, the Southern (5 million people) portion works out to 71% of the total.
The North (22 million people) were only producing 29% of the total trade revenue.
But in all that, the only indisputably Deep South exports were the $191 million in cotton.
The balance could just as easily come from Upper South, Border States and Northern Midwestern States.
The author here has simply lumped everything which did not necessarily come from the Northeast as "products of the South".
Further, this report understates total exports by the value of specie (gold & silver).
The real total was about $400 million or which roughly $200 million was product of the Deep-Cotton South.
PeaRidge: "From the Treasury records of 1861
I did check out your link here and found nothing resembling the numbers you posted, allegedly, from it.
Can you tell me which pages those numbers came from?