Timeline:
With Democrat Obama in office, Putin attacks and takes Crimea.
While Trump ("Putin's buddy"!) was in office, there was no attack on Ukraine.
With Democrat Biden in office, Putin goes back for the rest of Ukraine.
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Was Obama Too Soft on Russia?
February 15, 2017
https://www.theatlantic.com/news/archive/2017/02/trump-obama-russia-crimea/516777/
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Putin Visits Mariupol in First Trip to Occupied Territory
March 20, 2023
https://www.themoscowtimes.com/2023/03/19/putin-visits-mariupol-in-first-trip-to-occupied-territory-a80536
Russian President Vladimir Putin made a surprise trip to Mariupol, the Kremlin said Sunday, his first visit to territory captured from Ukraine since the start of Moscow's invasion.
