Environmental protections, social services, education subsidies, fairness doctrine, OSHA, gender equality regulations, gay rights, Fair Housing act, Glass-Steagall act, Communications acts, and many others were either products of the post war decades or enjoyed support from both sides of the aisle.
But since we went from a Keynesian to a Neoliberal economic model ("Reaganomics") these have either been defunded, repealed, deregulated or otherwise undermined, generally by corporate funded, Right-wing legislation. The Democrats, too, abandoned their mostly working class base for the technical class. Everyone's moved to the right, leaving the interests of the ordinary citizens flapping in the wind.