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Large-scale Mexican-U.S. migration has changed social, economic, and cultural life on both sides of the border. Migration to the United States can offer increased earnings and savings accumulation (Gathmann 2008).
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Explanation: The automobile change lives by providing opportunities for services, places, jobs, and peoples as well for transportation.
The answer to the question above is C
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The most straightforward theory for Western Rome's collapse pins the fall on a string of military losses sustained against outside forces. Rome had tangled with Germanic tribes for centuries, but by the 300s “barbarian” groups like the Goths had encroached beyond the Empire's borders
Explanation: hope this helps
War is not an inevitable feature of society, according to two scientists who analyzed acts of aggression in 21 hunter-gatherer societies. ... That would suggests that war is an artifice of society, and not an intrinsic feature of human nature.