> If you read 2+4 contract closely, then you realize that Germany is still a divided country, e.g. when it comes to US atomic missiles, and that 2+4 is not a peace treaty, nor does it end German occupation.

Treaties, by their nature, limit the parties in ways which they would not, as soveriegn states, be limited in the absence of the treaty. The fact that there are limits on what Germany can do (and what other parties can do in Germany) under the Final Settlement treaty does not make it any less a "peace treaty" than it would otherwise be. And it emphatically did end the occupation of (East) Germany (the occupation of West Germany was ended by General Treaty.)