Ranchers were able to ship their cattle to market by rail efficiently
A. because gets people to places quicker
The participants in the Congress, who were all representatives of monarchs had a deep distrust of nationalism, because it was associated with revolution and republican values and they ignored the demand of nationalities such as the Poles.
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So the Jews could be discriminated(bullied) and identified by the German people, them being identified was an important part of the Holocaust where it is said that nearly six million Jews were killed. Without the stars it would've been harder to identify them and perhaps less of them would have been exterminated(killed) by Adolf Hitler and the Nazi Party. Answer is Nuremberg Laws.
