Prior to the outbreak of WWII, the Axis powers did all of the following actions except which?
a.
In 1936, Hitler and Mussolini created an alliance called the Rome-Berlin Axis.
b.
In 1933, Hitler withdrew Germany from the League of Nations.
c.
In 1938, Italy brutally invaded British colonies in Africa.
d.
In 1936, German troops violated the Treaty of Versailles by marching into the Rhineland.