What was James Buchanan's political view?

James Buchanan believed that states rights were superior over federal government. Also that federal government couldn't restrict the states' rights. He followed Andrew Jackson and Martin Van Buren's policies on states' rights.

http://www.nps.gov/nr/travel/presidents/james_buchanan_wheatland.html

http://www.tulane.edu/~sumter/Buchanan.html

both websites can help.