What geographic characteristics of Vietnam made the war difficult for US troops? Select three options.hilly terrainpine forestscold wintershigh humiditymonsoon rains

Vietnam’s rugged, hilly terrain made movement and military operations difficult. High humidity added to the physical strain on US troops, while monsoon rains could flood roads, reduce visibility, and make equipment and travel harder to manage. The three correct choices are hilly terrain, high humidity, and monsoon rains.

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