Complex sentence: Allie has grown fed up with the American Dream and American consumerism, believing that Americans "buy junk, sell junk, and eat junk," and that there is an impending nuclear war on the horizon as a result of American greed and crime.
Split into simpler sentences: Allie has grown fed up with the American Dream and American consumerism, believing that Americans "buy junk, sell junk, and eat junk,". Furthermore, he fantasises that there is an impending nuclear war on the horizon as a result of supposed American greed and crime.