Strom Thurmond and the Dixiecrats used ideas of freedom to justify their positions on civil rights and race by advocating states' rights. Since the government at the time was giving minorities more rights, the Dixiecrats argued that the federal government should let the states be free to make their own individual policies. This would also let businesses be free to hire whomever they choose.
The wars disruption of trade was a cause that contributed to a weak economy in the 1780s.
Narrow, they didn't feel that it covered enough of their basic rights. So the bill of rights replaced it.