Historically, towns and cities grew up along the waterways. Then the suburbs grew up around those towns and cities, so there is a lot of people living near the rivers. It would be a Herculean task to move them all.
And where are we going to get the food that's grown on those millions of acres of flood prone land, if nobody is allowed to continue their farms there?
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The descent of man ~ Nixon, Friedman, Reagan, Trump.
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