How did economic changes contribute to inequality in American society?

Because wages are their primary source of income, the rise in income inequality that has blocked living standards growth for the vast majority since 1979 has been driven by a pronounced reduction in the collective and individual bargaining power of ordinary American workers.

confederacy: supported slavery, believed states should be able to nullify federal laws, supported low tariffs

union: everything else

result of the incas claiming exclusive right over numerous traditional routes, some of which had been constructed centuries earlier mostly by the wari empire