Desde o Século XV, a Europa se caracterizou pela forte emigração, povoando inúmeras áreas em todos os continentes. Nos últimos trinta anos, este fluxo se inverteu.
a) Explique as razões desta inversão.
b) Qual o principal mecanismo empregado pelos países europeus para evitar este novo fluxo de migrantes?
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Desde o Século XV, a Europa se caracterizou pela forte emigração, povoando inúmeras áreas em todos o...
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