Survivors were affected economically because the tsunami destroyed lots of infrastructure that was crucial to the functioning of the economy, such as telephone poles, water works, etc. It affected them socially because it is obviously devastating to endure that kind of loss of life. It affected them environmentally because lots of raw sewage was leaked onto the streets, leading to health issues.
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A. Delaware/Rhode Island is the answer.
The answer is going to be the Gentleman's Agreement. This agreement was between United States and the Empire of Japan, not Mexico.
Death in the population due to the fact they are not in their natural habitat. They would eat themselves out of house and home