That treaty bound Russia to "respect the sovereignty of Ukraine, honor its legislation and preclude interference in the internal affairs of Ukraine" and, furthe

That treaty bound Russia to "respect the sovereignty of Ukraine, honor its legislation and preclude interference in the internal affairs of Ukraine" and, furthermore, Russian military personnel had to show their "military identification cards" when crossing the Ukrainian-Russian border; Russian forces could operate "beyond their deployment sites" only after "coordination with the competent agencies of Ukraine." Sending in masked troops without insignia to overthrow Crimea's Supreme Council, install a Russian puppet government and run a farcical independence referendum is as far as you can get from following the terms of that treaty.