 As a legislator, Senator Clark was a champion of a wide range of issues, including civil rights, open space and farm land preservation (especially in his native Howard County, Maryland), and pension funding.He worked on several bills that did not get implemented including fair housing, Unit-vote delegates (disproportionate delegates for small counties) and I-195 right-a-way for mass transit.Senator Clark traveled the country lobbying for state legislatures to pass the Balanced Budget Amendment.