<Tr> <Td> Invasion of Poland </Td> <Td> Sep. 1939 </Td> </Tr> <Tr> <Td> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> </Td> </Tr> <Ul> <Li> </Li> <Li> </Li> <Li> </Li> </Ul> <P> The Molotov--Ribbentrop Pact, also known as the Nazi--Soviet Pact, the German--Soviet Nonaggression Pact or the Nazi German--Soviet Pact of Aggression (officially: Treaty of Non-aggression between Germany and the Union of Soviet Socialist Republics), was a neutrality pact between Nazi Germany and the Soviet Union signed in Moscow on 23 August 1939 by foreign ministers Joachim von Ribbentrop and Vyacheslav Molotov, respectively . The pact was followed by the German - Soviet Commercial Agreement in February 1940 . </P>

What were the terms of the nazi-soviet nonaggression pact