The western nations often quit teaching German in the public schools. I believe the UK did the same. In the European nations were forced to teach German since the Nazis had taken over their nations.
England and France
Alliance of German Organizations Abroad was created in 1934.
National German-American Alliance ended in 1918.
National German-American Alliance was created in 1901.
Italy and a few Eastern European nations assisted German with invading other nations.
There would be a great amount of peace for all nations at that time.
It heightened German fears of "encirclement" and in particular of Russian economic and military growth.
The basis of the German-Mexican alliance was that Germany was to help Mexico regain the lands lost to the United States
The German-Italian Alliance was called the Axis. This is where the term "Axis Powers" comes from.
Germany, Austria, Switzerland, and Liechtenstein are the countries in Europe where German is an official language. Additionally, German is spoken as a minority language in countries like Luxembourg, Belgium, and parts of Italy.
Prior to World War 1, the alliance between Germany, Austria, and Italy was known as the Triple Alliance, which formed into an alliance between Germany, Austria, Bulgaria, and the Ottoman Empire.Prior to World War 2, Austria and Germany unified into a single German state in a process known as Anschluß, or unification.