Ukraine is dependent on Russian gas - but not as much as it used to be. For years the US State Department has pushed the country toward energy independence. Congress aims to speed things up.
The EU and the US have accused Russia of violating international law by intervening in Crimea. DW examines the agreements that are supposed to govern relations between Moscow and Kyiv.
Russia is responsible for the protection of all Russians no matter where they live, comes the message from Moscow. That strikes fear into its former Soviet Republics - and reminds them of recent history.
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