What does the message the league is alright when sparrows quarrel but fails when eagles fall out mean

The correct answer to this open question is the following.

Although there are no options attached we can say the following.

First, we have to clarify the question to understand it.

It refers to a quotation said by Italian ruler and dictator Benito Mussolini.

He said that "The League [does] very well when sparrows shout, but no good at all when eagles fall out."

What the message means, or what Mussolini tried to say with that quote of 1837 was that the League of Nations was not good to resolve problems or in this case, major problems because it did not have the support of a strong army. The League was just capable to solve minor conflicts between small countries, but the League did not have the means, the infrastructure, or the possibilities to mediate and solve a problem between powerful nations.

So sparrows were the small nations and the Eagles were major European superpowers.

the real answer is b