Answer: An effect of World War 1 is the downfall of the German Empire, Austrian, and Russian empire.
Explanation: 3 Monarachies were replaced by 3 Republics due to the first world war.
Answer:
One advantage was that the North had more resources than the South. The North had more people, more minerals, more factories, more miles of railroad tracks, and more ships than the South had. These advantages helped the Union army when they were fighting the Confederate army.
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Mostly all the the brass intruments and the piano
