What does compartmentalization mean? The term is at the heart of the Great Seat Belt Debate. It was coined during the 1967 and 1972 Series 1 and Series 2 School Bus Passenger Protection collision tests conducted at the University of California at Los Angeles.
Opponents of the CDU are the Social Democratic Party of Germany (SPD), The Left party and Alliance '90/The Greens. The CDU has however governed in three federal-level and numerous state-level Grand Coalitions with the SPD as well as in state and local-level coalitions with the Alliance '90/The Greens.
The Democrats are more on the Left, and more support Leftist ideologies. The Republicans are more traditional, and support individual responsibility, individual freedom, and allowing the private sector to generate wealth and jobs on its own. This means lower taxes, and less social spending. And less regulation.