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.
Somalia: Analysis of a failed state. Somalia's collapse into anarchy almost two decades ago created a uniquely explosive combination. 5:19PM GMT 18 Nov 2008. At a stroke, the Horn of Africa acquired a failed state with 2,000 miles of coastline skirting one of the world's great trade routes. No greater opportunity for piracy could be imagined. Whereas other countries have inefficient police forces and overstretched navies, Somalia has no national institutions whatsoever.