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.
Ethiopia is one of the only countries to have never lost its Independence. Other than the brief period when the Italians invaded, Ethiopia was never colonized. The reason that â¦ the British didn't take over the country after ww1 was that Ethiopia was a member of the League of Nations.he reason Ethiopia was never colonized was because under a centralized governmen â¦ t by Menelik the II, Ethiopians had attained guns and had a well organized military and went to battle in a structured way.