From the early 1940's to until 1976, what city had a virtual monopoly on the gaming entertainment business?

Question

Quizplus · Accepted Answer

Las Vegas had a virtual monopoly on the gaming entertainment business from the early 1940s until 1976, when New Jersey legalized gambling in Atlantic City. Reno and Miami were also popular gaming destinations during this time period, but they did not dominate the industry like Las Vegas did.

From the Early 1940's to Until 1976, What City Had