"Russian law is not recognized outside of Russia. Besides, that logic would give him legal authority to conquer half of Eastern Europe." In a way it does. But how are "Russians" in danger in Easter Europe? https://www.loc.gov/law/help/russian-georgia-war.php#Russia%...

"Do you have any idea what occupation means? " Actually I do. And I don't think it would be a big issue. Please consider that the regime currently in power in Ukraine is liked only by a small part of the population. The background and intent of the "color revolutions" in such countries is very questionable. Besides that, the military of Ukraine is basically non existent.

Do you know what the Ukrainian military bases on the Crimea Island did? They just raised the Russian flag.

And don't forget, Russia has troops even in the West of Ukraine. (Transnistia).