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.
Best Answer: The Articles of Confederation failed because they left too much power with the states. The federal government had no power to levy or collect taxes, no power to regulate trade, and no power to enforce laws.There was also no executive branch under the Articles of Confederation, and no national court system.ne of the main reasons that they Articles of the Confederation failed was because they did not create a strong central government. Interstate commerce was also not controlled.