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.
The country, whose president, Woodrow Wilson, had dreamt up the idea of the League â America â refused to join it. As America was the worldâs most powerful nation, this was a serious blow to the prestige of the League.However, Americaâs refusal to join the League, fitted in with her desire to have an isolationist policy throughout the world. Germany was not allowed to join the League in 1919.As Germany had started the war, according to theTreaty of Versailles, one of her punishments was that she was not considered to be a member of the international community and, therefore, she was not invited to join.he League of Nations was to be based in Geneva, Switzerland. This choice was natural as Switzerland was a neutral country and had not fought in World War One. No one could dispute this choice especially as an international organisation such as the Red Cross was already based in Switzerland.