It's Getting Better All the Time: 100 Greatest Trends of the 20th Century

It's Getting Better All the Time: 100 Greatest Trends of the 20th Century

It's Getting Better All the Time: 100 Greatest Trends of the 20th Century

It's Getting Better All the Time: 100 Greatest Trends of the 20th Century

Synopsis

There has been more material progress in the United States in the 20th Century than in the entire world in all previous centuries combined.
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