Original sentence: All those threats diminished sharply after 1938.Business-oriented observers explained the recession and recovery in very different terms from the Keynesians.For example, the antitrust efforts fizzled out without major cases.Now they had a theory to justify what they were doing.The CIO and AFL unions started battling each other more than corporations, and tax policy became more favorable to long-term growth.The New Deal had in fact engaged in deficit spending since 1933, but it was apologetic about it, because a rise in the national debt was opposite of what the Democratic party had always preached.They argued that the New Deal had been very hostile to business expansion in 1935-37, had encouraged massive strikes which had a negative impact on major industries such as automobiles, and had threatened massive anti-trust legal attacks on big corporations
Edited sentence: " This shift in administration policy was a huge milestone helping to legitimize Keynesian economics.Although few Americans were much aware yet of the ideas of Keynes, the economist whose theories would soon transform economic thought throughout much of the world, they were gradually seeing that the spending program of 1938 was yielding results.Although the New Dealers themselves did not realize it at the time, the administration helped establish the basis for new forms of federal fiscal policy, which would in the postwar years give the government a series of important tools for promoting and regulating economic growth.But Keynes would perhaps be vindicated.In 1938 Franklin D.Roosevelt thus embraced the only new idea he had not yet tried-- a program put forward to him by that bewildering British "mathematician