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The regional security officer (with megaphone) addresses U.S. Embassy employees evacuated during an exercise, Dar es Salaam, Tanzania, July 6, 2021. (U.S. Department of State photo).

The regional security officer (with megaphone) addresses U.S. Embassy employees evacuated
during an exercise, Dar es Salaam, Tanzania, July 6, 2021. (U.S. Department of State photo)

U.S. Department of State

The Lessons of 1989: Freedom and Our Future