What primarily caused the mass exodus of millions of people from Vietnam, Laos, and Cambodia during and after the Vietnam War?

The mass exodus was driven mainly by danger and hardship in people’s home countries during and after the wars. Persecution, violence, and food shortages forced millions to flee Vietnam, Laos, and Cambodia. The correct choice is C, “persecution, violence, and starvation in their home countries”; economic opportunities or natural disasters were not the primary cause.

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