Mary Elise Sarotte, Marie-Josée and Henry R. Kravis Distinguished Professor of Historical Studies at the Henry A. Kissinger Center for Global Affairs, reflects that the choice to enlarge NATO was a justifiable response to the geopolitics of the 1990s. The problems came later. Read by Helen Lloyd.

FURTHER READING:

How a Second Cold War could have been averted | Mary Elise Sarotte

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Image: The 'You are leaving The American Sector' sign at the Checkpoint Charlie crossing point, Berlin Wall. Credit: Greg Balfour Evans / Alamy Stock Photo