Which historical event explains the large number of refugees to the United States arriving from Bosnia-Herzegovina, Serbia, and Montenegro from 1999 to 2001?

The refugee arrivals from Bosnia-Herzegovina, Serbia, and Montenegro were connected to conflicts and displacement following the break-up of Yugoslavia. Yugoslavia divided into several independent nations during the 1990s, with violence in the region driving people to flee. Therefore, the best answer is “the break-up of Yugoslavia into smaller independent nations.”

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