Although Nevada alone was not directly involved with any sort of battle during World War II, Nevadans still played a huge part in the war itself. The mining of copper and silver that Nevada could provide made a huge impact on the creation of weaponry and ammo. The population during this time also grew due to military personnel being stationed at some of the new military bases. Nevada's involvement with World War II made a big impact when considering the amount of metal the state was able to provide. The World War II era also had an impact on Nevada's gaming as well as fear of attack on the Hoover Dam. . During the time of World War II, Nevada's population grew. Nevada's main industry during this time was mining, just as it was