boundary

Germany shares its entire southern boundary with Switzerland and Austria. In the southeast the border with the Czech Republic corresponds to an earlier boundary of 1918, renewed by treaty in 1945. The easternmost frontier adjoins Poland along the northward course of the Neisse River and subsequently the Oder to the…

…and of ideas, such as divided western Europe from formerly communist eastern Europe; the frontiers between these two political blocs represented much more of a cultural dividing line than any other European frontiers.

…issue remained—that of Germany’s permanent boundaries. Western powers and especially the Polish government had pressured Kohl from the beginning to recognize for all time the inviolability of the Oder–Neisse border and thus the permanent loss to Germany of Silesia, eastern Pomerania, Danzig (Gdańsk), and East Prussia. At first Kohl hung…