In 1913 the department of the navy established an aviation training center in by the outbreak of world war i, it was the only one in the united states. a) jacksonville b) miami c) orlando eliminate d) pensacola

It would be letter D. Pensacola. The base is called Naval Air Station Pensacola which is the cradle of Naval Aviation of the United States Navy. Realizing the strategic advantage of a base because of the rich timber reserves near the location for shipbuilding they build a Navy Yard which would become the Naval Air Station Pensacola in 1913.