Vier-Mächte-Abkommen 3.9.1971. What's it called in English?

Answer 1

Quadripartite treaty

Answer 2

Translation: Quadripartite treaty/agreement
Answer "Four Power Agreement on Berlin"

A Quadripartite Agreement is a treaty between four states or four commercial parties.

The most famous Quadripartite Agreement is that of the Four Power Agreement on Berlin of September 3, 1971 between the United States, the Soviet Union, the United Kingdom and France.

The Four Power Agreement on Berlin was signed on 3 September 1971 by the foreign ministers of the four powers, United Kingdom, the Union of Soviet Socialist Republics, France, and the United States. It came into effect in June 1972.

The Agreement regularised trade and travel relations between West Berlin and West Germany and aimed at improving communications between East Berlin and West Berlin. The Soviet Union stipulated, however, that West Berlin would not be incorporated into West Germany.

Answer 3

we won the war !!!