Russia's war in Ukraine has now lasted nearly a month, but the origins of the conflict are years, if not decades, old. Get a century of in-depth, expert analysis by subscribing to Foreign Affairs today. With our All Access subscription, our entire archive is at your fingertips.

What drove Russia's previous incursion in 2014? Read "Why Putin Took Crimea" here. How did Putin rise to power, and how secure is his rule? Find new insight in "Russia's Imperial Imposter." Exclusive Foreign Affairs coverage helps you stay ahead of current events with expert perspectives on the latest developments in global politics—and the history behind them.

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