The immediate cause of World War I that made the aforementioned items come into play (alliances, imperialism, militarism, nationalism) was the assassination of Archduke Franz Ferdinand of Austria-Hungary. When Russia began to mobilize due to its alliance with Serbia, Germany declared war on Russia.
"The Declaration of Independence justified our right to revolt against a government that no longer guaranteed us our natural rights."
Too many oil field
geater demand for oil
war and terrorism
to stop destroying earths resources