Answer:
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.
Explanation:
It was President Harry Truman
The most striking similarity between these two explorers was their ruthless nature towards the natives they encountered on their various journeys. Both men wanted to extract as many resources as possible from the conquered peoples.