Which reason best explains why the doctrine of nullification became popular in the South? A. Southerners wanted to force the federal government to provide the same transportation improvements in the South that had benefited the West. B. Southerners believed that Congress was controlled by an alliance of leaders from the Northeast and the West.
C. The 1828 tariff hit the South especially hard economically,
D. Southerners wanted to divide the United States into two separate countries.​