Why didn't Britain, France & the US stop the Fascist aggression in the 1930's?

The allies did not stop fascist aggression in the 1930's because the liberal progressives of that era underestimated the danger. They wanted a stronger Germany to act as a buffer between the Soviet Union and the rest of Europe.

Exp

i do not believe this was true indefiantly the native americans would have lsot aganist america one they didndt have the resources and allies that america had and 2   indians werent as advanced at the time as they were not 3 americans had the expreince because some of the soliders from other wars fought in that war and were attecked etc

john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.