What was the leading cause of WW2? Haylee is going to report me so answer quickly

The unbalanced Treaty of Versailles (which forced a crippling peace on Germany to end the First World War) and the global depression that enveloped the world during the 1930s (which led to particularly desperate conditions in many European nations as well as the United States) usually emerge as two of the most crucial.

Explanation:

and i would no no such thing >:(

in the 1950s, country music came into its own before rock-n-roll took off in the 60s while jazz and classical music continued to innovate