¿Qué variable(s) permite(n) explicar el desarrollo de los actuales procesos migratorios? Marca más de una alternativa. Las mejoras en los sistemas de transporte. La atracción que ejercen los centros urbanos. Las expectativas de trabajo que causan las ciudades

for the united states of america, 1945 to 1964 was a time of high economic growth and general prosperity. it was also a time of confrontation as the capitalist united states and its allies politically opposed the soviet union and other communist countries; the cold war had begun.

explanation:

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congress has authority over financial and budgetary matters, through the enumerated power to lay and collect taxes, duties, imposts and excises, to pay the debts and provide for the common defense and general welfare of the united states. the constitution also grants congress exclusively the power to appropriate funds.

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