Answer:
<em>The falling economy.</em>
Explanation: Hope this helps..
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.
Can you further elaborate on this question what are you asking?
The answer is Macchu Pichu
