This is part of globalization
This is when businesses interact with other businesses and consumers worldwide.
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The war novels before "All Quiet on the Western Front" they tended to romanticize what war was like, making others believe that war was a symbol of glory, honor, patriotic duty, and adventure, "All Quiet on the Western Front" sets out to show people how actually the war was: An unromantic vision of fear, meaninglessness, and butchery. World War I demanded this depiction more than any war before it—it completely altered mankind’s conception of military conflict with its catastrophic levels of carnage and violence, its battles that lasted for months, and its gruesome new technological advancements (e.g., machine guns, poison gas, trenches) that made killing easier and more impersonal than ever before.
The main cause of the rise of caudillos in Mexico was wide-spread political disorder and a lack of a sufficient power structure following revolutions, since these military leaders used this lack of order to seize power.