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Articles on Russia-Ukraine

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Ukraine destroyed a railway, shown on April 2, 2022, to prevent passage from Transnistria to Ukraine. Andrea Mancini/NurPhoto via Getty Images

4 things to know about Moldova and Transnistria – and why Russia’s war may spread beyond Ukraine to reach them soon

Military tensions and political concern are heating up in Transnistria, a breakaway state of Moldova that borders Ukraine. An Eastern European expert answers four key questions about this region.
A caution sign marks the Hanford Nuclear Reservation near Richland, Wash., where plutonium for nuclear weapons was made. Jeff T. Green/Getty Images

Russia is sparking new nuclear threats – understanding nonproliferation history helps place this in context

Despite decades of progress on nonproliferation, Russia’s new threats of nuclear strikes bring to mind that convincing countries to reduce their nuclear weapons has long been very difficult.

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