<span>The factory system brought people from the farms to the cities to work together.
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-true
Native Americans in the United States<span> fall into a number of distinct ethno-linguistic and territorial phyla, whose only uniting characteristic is that they were in a stage of either </span>Mesolithic<span> (</span>hunter-gatherer<span>) or </span>Neolithic<span> (subsistence farming) culture at the time of European contact.</span>
The policy contributed most to the nuclear arms race was Mutual Assured Destruction
This means that both sides knew that any attack upon the other would be devastating to themselves, therefore restraining them from attacking the other. Each side possesses enough nuclear weapons to obliterate the other side that causes them to restrain from attacking afraid of the annihilation.