Well, the purpose is hard to tell, as each of the participated countries had different reasons for joining in the war. Generally you could say that each of the major players wanted to either strenghen their international position and power or stop their empires from falling apart/being weakened.
So, for example the particular purposes were: Austria - mainatining its empire Germany - wanted to establish its power over the other countries Russia - wanted to strengthen its own empire UK - other political considerations (didn't want Germany to get too strong, wanted to support its allies to create counter-balance for Germany)
The approach of ethics that is described here is that of moral reasoning.
<u>Explanation:
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When we delve down into the probe of whether a certain type of behavior is right or wrong, we actually try to find a reason for why the behavior is right or wrong.
This approach of probing for a reason in order to prove a certain action as right or wrong culminates in an exhibition of the moral that is behind the behavior committed.
