Why might the people of Czechoslovakia believe that the Munich Agreement was a betrayal?

A.
They had already made peace with Hitler and did not want Britain or France to intervene.

B.
Britain and France had promised to protect them from the invasion that they were now allowing.

C.
The rulers of Czechoslovakia did not have the people’s permission to agree to terms at Munich.

D.
This showed them that Germany valued Austria more than Czechoslovakia in the long run.