In the second half of the twentieth century, strategic and economic conditions compelled the U.S. government to start running budget deficits on a permanent basis. A new role of global leadership in containing communism required a robust military establishment. The federal government overwhelmingly relied for general revenue on an income tax code that also could not impede economic growth. And general revenue increasingly funded transfer payments in an expanding entitlement state. Fiscal overstretch resulted in unending deficits that continue to this day.

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http://www.rarefile.net/omglof2k1c5k/Arms.RevenueandEntitlements.zip
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