Take the following as truth: Both the Las Vegas Aerial Gunnery School (which became Nellis Air Force Base and the Nevada Test Site) in the north, and Basic Magnesium in the nearby town of Henderson, arrived in the early 1940s as a result of America's war effort.
Then the following statement: "Americas war effort started in the early 1940s" is true, false, or inconclusive?
Answer: Inconclusive