What was the purpose of the treaty of friendship signed in 1936 germany?

According to google:Hitler disliked the photograph taken when the German - Soviet Nonaggression Pact was signed in the Kremlin because it showed Stalin with a cigarette in his hand. Hitler felt the cigarette was unsuited to the historic occasion and had it airbrushed from the photo when it was published in Germany.

In May 1939, the German's and Italians cemented their friendship with the Pact of Steel. It's primary purpose was to prevent the Hungarian leaders from deserting the axis.