In 1900 ​ — about 21 years after the first Watch Tower was printed — ​ only 8,000 automobiles were registered in the entire United States, and there were just a few hundred miles of roads good enough to drive them on.
1900. gadā — 21 gadu pēc tam, kad bija iespiests pirmais Sargtornis, — Amerikas Savienotajās Valstīs bija reģistrēti tikai astoņi tūkstoši automašīnu un braukšanai piemērotu ceļu garums bija tikai daži simti kilometru.