From the perspective of the Americans involved, the empire carved out by the banana warriors was a domain of bickering Latin American politicians, warring tropical countries, and lawless societies that the American military had been dispatched to police and tutor. Beginning with the Cuban experience, Langley examines the motives and consequences of two military occupations and the impact of those interventions on a professedly antimilitaristic American government and on its colonial agents in the Caribbean, the American military. The result of the Cuban experience, Langley argues, was reinforcement of the view that the American people did not readily accept prolonged military occupation of Caribbean countries.

Langley not only narrates the history of America's tropical empire, but fleshes out the personalities of this imperial era, including Leonard Wood and Fred Funston, U.S. Army, who left their mark on Cuba and Vera Cruz; William F. Fullam and William Banks Caperton, U.S. Navy, who carried out their missions imbued with old-school beliefs about their role as policemen in disorderly places; Smedley Butler and L.W.T. Waller, Sr., U.S.M.C., who left the most lasting imprint of A