Smith demonstrated that the United States Ordnance Department was the prime mover in bringing about machine-made interchangeable parts production of small arms.
It was here where Machiavelli wrote his most famous piece, The Prince. One of the first and main topics discussed in The Prince outlines the rest of the issues mentioned in the books, which are the various kinds of government and how they are established.
Italian dictator Benito Mussolini wrote a discourse on The Prince. Soviet leader Joseph Stalin read The Prince and annotated his own copy. 20th century Italian-American mobsters were influenced by The Prince. John Gotti and Roy DeMeo would regularly quote The Prince and consider it to be the Mafia Bible.