Christian Democratic Union of Germany The SPD quickly gained popularity and succeeded in forming a social-liberal coalition with the FDP following the 1969 federal election, forcing the CDU out of power for the first time in their history. The CDU continued its role as opposition until 1982, when the FDP's withdrawal from the coalition with the SPD allowed the CDU to regain power. CDU Chairman Helmut Kohl became the new Chancellor of West Germany and his CDU–FDP coalition was confirmed in the 1983 federal election. Public support for the coalition's work in the process of German reunification was reiterated in the 1990 federal election in
Legal status of Germany presence was also maintained until the full implementation, in 1994, of the Two Plus Four Treaty, signed in 1990. Under the terms of the 1990 Treaty on the Final Settlement with Respect to Germany, the Four Powers renounced all rights they formerly held in Germany, including Berlin. As a result, Germany became fully sovereign on March 15, 1991. After Germany joined the United Nations, there had been disagreement as to whether articles 53 and 107 of the UN Charter, which named Germany as an "enemy state", still applied, but these articles became irrelevant when the Four Powers renounced their special