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 major political parties are Democrat (DNC) and Republican (GOP). Democrats tend towards the left end of the spectrum. Their platform foundations include promotion of social welfare programs and strong labor and teachers unions.