German troops and russia commit to never attack each other when?

On August 23, 1939 enemies Nazi Germany and the Soviet Union signed the German-Soviet Nonaggression Pact, the two countries agreed to take no military action against each other for the next 10 years. Although Hitler didn't stay true to his word and attacked Russia on Sunday June 22, 1941 with a military operation known as Operation Barbarossa.

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!

it was on the rise and doing very well and would continue to do well until the great depression from 1929-1939