Which of the following was not one of the major events of world war 2 prior to december 1941?
a)democratic countries in europe appeased hitler by letting hitler take the
sudetenland, czechoslovakia, and australia.
b)the united states declared war as a result of germany's invasion of poland.
c)japan occupied manchuria and other parts of china.
d)japan invaded french indochina and threatened thailand, the philippines, and other pacific nations.