Answer:
Heheheh này là gì Thật buồn cười
The answer is: The Great Depression
Hope this helps!
A short answer is that becasuse of the imperialism of European nations there was a growing dissatisfaction in those nations who did not have any colonies. Due to not having colonies they argued for a redistribution in colonies so that it would be more equally and fairly shared. Because this didn't happened (among with A LOT of other reasons), World War I ensued.
The territory that was New Amsterdam is now known as New York.
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