Germany had suffered heavy losses during the war, both in lives and industrial power. ... Millions of German prisoners of war were for several years used as forced labor, both by the Western Allies and the Soviet Union.
Tourism - minority languages have become part of the tourist landscape because tourists want to see something authentic.
Nationalism - some independent states reestablish the indigenous language as a statement of political and cultural independence
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Modern Electronic communications - rise of mass personal communications tools such as the telephone, Internet can make minority groups to resist the power of mass media and maintain their language.
Agriculture, electricity, mining
