Answer: It denied Congress the power to tax Southern exports, including agricultural products.
Explanation:
The economy of the Southern states was heavily dependent on cheap exports of agricultural products, and when Northern states wanted to introduce a tariff on exports, Southern states fervently opposed the measure. The Compromise was settled with the introduction of tariffs on imports from foreign countries, since the North wanted to encourage the purchase of manufactured products from Northern factories but with no tariffs on exports of any kind, including agricultural products, which beneffited the South.