A tragedy of the commons situation will exist when a good is non-excludable and rival. 

How did the advertisers of the early twentieth century use psychology to sell products? 

What did the United States do as a means of avoiding direct combat in World War II? 

Which technology of the 1920s had the greatest influence on American ideas and attitudes? 

Which New Deal critic was a Catholic priest who hosted a radio show where he challenged Roosevelt’s leadership?

Which New Deal critic encouraged the creation of a pension plan, later inspiring the Social Security Act of 1935?

The Lend-Lease Act was created for which of the following purposes?

The Johnson-Reed Act virtually banned all Asian immigration to the United States for what reason?

Which agency was created before the Japanese attack on Pearl Harbor?

Which book documented the poverty resulting from urbanization in late nineteenth-century New York?