Which is not supported by any claims, except wild Russian propaganda.
> NATO pushing for Ukraine to become a member
Same.
> Crimea has been a part of Russia for centuries
Russia (as is) didn't exist _for centuries_.
> to celebrate the 300th Anniversary of the Ukraine as part of Russia
That's wrong on so many levels...
> Crimea voted to rejoin Russia
Sure. _After_ Russia invaded Crimea they've held highly falsified voting which wasn't recognized by any international officials.
All in all, your information tend to be highly skewed to Kremlin propaganda.