The Great Depression spread from the US to the rest of the capitalist world, yet it affected the Americans the most. It gave (1)____ to the fear that such catastrophes would (2)____(occur) or even that the American economy would live in a (3) s____ of permanent depression unless radical changes were (4) m____ in the economic system. The fear is now gone, partly because that analysis was judged faulty. Changes in institutions and policies that (5) sta____ the economy also helped to dispel those fears. People's worry (6) per____ about the possibility of less severe, but still debilitating (使虚弱), recessions, (7)____ . But the experience of the postwar years has provided two lessons:　　First, the only serious recessions in which US unemployment rose to highs of 9 percent and 11 percent (8) re____, came after fairly high inflation.　　Second, even recessions of that depth later on (9) t____ out to be less painful than had been expected because they were short. This was because the (10) ____ American worker had substantial assets, and was likely to be in a family with more than one worker.