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Answer:
Alliances contributed to the start of World War I because so many alliances were being created all over the world. Most alliances would agree to protect one another if either country in that alliance got attacked by other countries. So if a country got attacked by another one, you could expect the country being attacked to be backed up by their alliance, creating future wars to commence.
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Answer: It made Americans overcome the fear of the depression
Explanation:
The longest of the empires was be ottoman