Respuesta :
The event that Hitler's actions above described are collectively known as B. the German violation of the Treaty of Versailles.
What was the Treaty of Versailles?
This was a Treaty signed with Germany after WWI. It imposed restrictive covenants on Germany such as the demilitarization of the Rhine and the forbidding of an Anschluss with Austria.
When Hitler broke these covenants in the 1930s, he was in violation of the treaty but wasn't punished.
Find out more on the Treaty of Versailles at https://brainly.com/question/3604628.