The railroads, in the U.S., helped move people westward.
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We emphasize at the outset that this is a formidable undertaking. There is an enormous literature on the subject ranging over every conceivable genre. These include nineteenth-century political broadsides, serious and masterfully written histories, the 42 volume report of the first Immigration Commission appointed in 1907, focused cliometric studies appearing in scholarly journals, autobiographies that witness the era of high immigration, two forthcoming economic histories of pre-World War I immigration (Ferrie, 1997; Hatton and Williamson, 1998), obscure statistical compendia, and theoretical analyses some of which are highly abstract and mathematically intricate.
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Answer: bad guys From russia
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Explanation: mercantilism the economic theory that trade generates wealth and is stimulated by the accumulation of profitable balances, which a government should encourage by means of protectionism.
Compelling Evoking interest, attention, or admiration in a powerfully irresistible way.
Supporting
Bear all or part of the weight of; hold up.