[Lukasz]

However, under the terms of the agreement you received Russian territory, which will be returned to Russia if you negate the treaty. In other words, you were paid not only with rent, but also with territory.

I read recently that this agreement is invalid according to the Ukrainian constitution. If so the Russians are there illegally.

[x5452]

The Ukraine constitution would be after the fact, Russia has every right within international law to forclose if Ukraine renegs. They have rock solid defense in court, as well as in terms of fire power.