There are a lot of ways. For one, an adversarial congress is a feature, not a bug. We've seen already that as congress has become more polarized, lobbyist dollars have moved from federal to state in droves.
Limit the scope and power of the Interstate Commerce Clause. Most modern interpretations are based on Wickard v. Fillburn's "Well, if everybody did it, it might affect interstate commerce" interpretation, which I find flawed, and which gives the federal government outsized power over the states. It is through ICC power, for example, that the federal government was putting state-legal dispensary workers in federal prison, for example.
States need to reclaim their 10th amendment rights. We've seen an uptick in that recently, with many states adopting gay marriage in defiance of DOMA, or allowing marijuana usage in defiance of federal law, or more recently with Vermont (or maybe CT?) allowing prescription drugs to be purchased from out of country.
Disallow regulatory bodies from having effective power to make laws. Laws should be made by Congress, and so long as agencies are beholden to the executive, and they can make rules that have law-making power, congress has abrogated its duty, and gives far too much power to .
Past that, you achieve electoral results the same way you achieve any political end -- voting in the people who espouse your aims, voting out those who don't. You know who to vote for by maintaining your political savvy, from reading both sides of news articles, by holding both sides accountable, even when you happen to like them, and by being eternally vigilant to the laws, the law makers, and exploring the intended and unintended side effects of "good" laws.