The definition of symbiosis has varied among scientists. Some advocated that the term symbiosis should only refer to persistent mutualisms, while others thought it should apply to any type of persistent biological interaction (in other words mutualistic, commensalistic, or parasitic).
The League of Nations failed for a couple of reasons: 1  The United States was not part of it. 2  More importantly, the countries in the League did not take the idea of collective security seriously.3  When countries attacked others, nothing was done. 4  For example, Italy attacked Ethiopia and Japan attacked China. The United States was not part of it. 2  More importantly, the countries in the League did not take the idea of collective security seriously. 3  When countries attacked others, nothing was done. 4  For example, Italy attacked Ethiopia and Japan attacked China. 5  In both cases, nothing serious was done.
This incident resulted from the ongoing conflict between the Kingdom of Italy (Regno d'Italia) and the Empire of Ethiopia (then commonly known as  Abyssinia  in Europe). Its effects were to undermine the credibility of the League of Nations and to encourage Fascist Italy to ally itself with Nazi Germany.n January 3, 1935, Ethiopia appealed to the League of Nations for arbitration of the dispute arising from the Walwal incident. But the league's response was inconclusive. A subsequent analysis by an arbitration committee of the League of Nations absolved both parties of any culpability for what had happened.