<em>An agreement between Germany and the Soviet Union in which they vowed never to attack each other;</em>
The Nonaggression pact
Germany and the USSR took part in a "nonagression pact", which meant that there would be no fighting in between each other. It was broken after the Nazi's started Operation Barbossa, a surprise attack that took huge swacth of land from the USSR.
All of the bill of rights amendments listed are for freedoms and rights.
Leningrad suffered the most under Germany's blockade