This is missing a stanza. Between 3 and 4 should be the following:

Some say that the great invention of all time, it was the wheel
Is progress really the automobile?
In materialistic slavery, kind friends now we must toil
As we bow down to the idealistic god of Arab oil

Also, see how to play it here: https://books.google.com/books?id=R3bMdT77o18C&pg=PA76&lpg=PA76#v=onepage&q&f=false

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