Germany expands military

This violates a term of the treaty of Verrsalies

Hitler sends troops into the Rhineland

The Rhineland was a demilitarized zone of Germanys territory. The demilitarized zone was established after Germany lost WW1. When Germany began moving military to the Rhineland it broke the Treaty of Versailles and Hitler was condemned but no other action was taken

Britain did not punish Germany because they thought military movement within there territory was a reasonable action.

It's there territory. I believe it is reasonable for military movement in his territory.

Germany allied with Italy as a part of the Rome Belin Axis.

Germany Annexes Austria with no resistance

Germany demands the Sudetenland

Yeah you can have the Sudetenland but only as long as you promise not to take the rest of Chekoslavakia.

Britain tries to appease Germany by letting them have the Sudetenland.