Watch Frontline PBS online: Episode 11 Crisis in Central America Pt 1 Yankee Years

From the Spanish-American War in 1898 until the 1950's, US preeminence in Central America and the Caribbean was never successfully challenged. Part 1 looks at these turbulent years that set the stage for today's crises-from the glory days of building the Panama Canal, through the early US Marine occupation of Nicaragua, to the Cold War crisis in Guatemala in 1954, which resulted in the CIA's first 'covert' war in the region.

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