The major political and social division in the United States during the early decades of the nineteenth century was between..

a. those ppl engaged in subsistence agriculture and those involved in large commercial markets
b. Americans who advocated slavery and those who wanted to see it abolished
c. conservatives who felt the American Revolution had gone too far and radicals who thought it had not gone far enough
d. northerners who wanted to take over Canada and southerners who wanted to invade Mexico.