It was a trigger that showed that there were two competing powers in Europe: Russia and Austria-Hungary (and their allies).
Franz Ferdinand was killed by a Serbian separatist and the Austrians wanted to see him punished. On the other hand, Russia supported Serbia is saying that Austrian demands ( to be allowed to search for the culprit inside Serbia) were too much.
This lead to a direct conflict between the two powers (Austria and Russia) and further lead to the war.
Almost 3000 people died directly from the attacks (the official number, which includes the attackers) is 2996.
However, the actual death toll connected to the attack indirectly is bigger and it's harder to asses, as it lead to the US military actions in the middle East, searching for Osama Bin laden.
Answer:
Resources play an important role in the development of a nation. 'Land; as a resource is significant in terms of natural resources such as the fertility of land, its situation and composition, forest wealth and minerals. ... For example, Middle East countries are rich in petroleum and hence have developed economies.
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