 Historically, and as its name implies, it is modelled after the CSU in Bavaria, the more rightist of the two Union "sister parties".However it was not possible for the DSU to join the CSU, as the CDU and CSU do not compete in the same states.In the chaotic world of 1989–1990 East German politics, several long-suppressed cultural and political movements (re)emerged, and numerous small parties sprang up.