Starting from the premise that "it's morally wrong for the American government, instituted to protect American interests and American prosperity, to make that trade off", I don't see any reason to oppose imperialism.
I don't agree with the premise, but that's a separate point.
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Do you really fail to appreciate the difference between:
A) Not sharing your family/country resources with strangers (who might well be below your level of economic development).
B) Going over to invade another country/family and take away their resources?
Starting from the premise that "it's morally wrong for the American government, instituted to protect American interests and American prosperity, to make that trade off", I don't see any reason to oppose imperialism.
I don't agree with the premise, but that's a separate point.
Right - but I am not asking whether you personally find imperialism as logical conclusion.
I am asking if you understand the difference between point A and B?