A factor that led to the growth of the factory system in the United States was the development of new power sources, it's true.
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The war in the east began with the Russian invasion of East Prussia on 17 August 1914 and the Austro-Hungarian province of Galicia. ... They made some progress, crossing the Carpathians in February and March 1915, but then the German relief helped the Austrians stop further Russian advances.
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Answer:
how did the first and second ino wars take place
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