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 League of Nations was an international organization that existed between 1920 and 1946. Headquartered in Geneva, Switzerland, the League of Nations vowed to promote international cooperation and preserve global peace.t its height in 1934 and 1935, the League had 58 member countries. The member countries of the League of Nations spanned the globe and included most of Southeast Asia, Europe, and South America. At the time of the League of Nations, nearly all of Africa consisted of colonies of Western powers.