If Germany or the Soviet Union is invaded by Great Britain or France, then war must be declared by Germany and the Soviet Union.
Answer: Option D
<u>Explanation:</u>
During August 23rd, 1939 a Treaty on Non-aggression was formed between Germany and the Soviet Union. They were the two nations once in relationship of victor and then they both became defeated powers. The government of Germany and USSR framed Articles for peace treaty.
In Article II it says that Germany or the Soviet Union if invaded by another nation, the two countries are not supposed to lend a helping hand towards the aggressor. The treaty was for a tenure of ten years. It was a very confidential business between the two countries.