Both seek to enlarge government power over individual citizens. In America, liberals are usually Democrats and conservatives are usually Republicans. And yet members of those parties often don't know exactly what the parties stand for, and worse, the parties do not hold their own candidates accountable for their positions. Each new program raises taxes, but seldom solves the original problems.
Government always creates more of itself.
Voters are forced to choose from issues chosen by the major parties or their candidates. So there emerges a new political spectrum. Power is appealing to those who have it. Thus, liberty is the foundation of our Constitution. Liberty is the direction in which society moves naturally.