Rationing, Propaganda, and then patriotism
The Treaty of Versailles was a peace treaty and put an end to World War I. This treaty is known for being very harsh on Germany, making them take the blame for the war. Germany did not think they should be the only ones being held responsible for World War I. Not only this, but the treaty put heavy restrictions on Germany. They were forced to pay a large sum of money, limit their army, and give back the land they got during the war.
Hitler broke the Treaty of Versailles multiple times. He invaded Rhineland and Austria, along with rebuilding Germany's army, which was against the treaty. Hitler hated the Treaty of Versailles and wanted to abolish it. He did not like how his military was weak because of the treaty.
The consequences could be expected to be maybe paying a large sum of money, or even having a whole war break out. The Treaty of Versailles was a catalyst and laid the roadwork for World War II. Germany was already angered because of the treaty and obviously did not care if they were breaking it.
The correct answer is definitely Al Qaeda. It was founded in 1988 by Osama bib Laden during the Soviet War of Afghanistan (1979-1989). He create it because he deeply hated the West for what he perceived as an alleged Jewish-Christian world conspiracy to attack Islam. The USA and the West had trained Islamic <em>mujahideen </em>(Islamic fighters of Jihad, or “holy war”) in Afghanistan and other countries to fight the Soviets there. They provided them with modern weapons and funding. Near the end of the war, Bin Laden decided to expand Jihad against the West and all its allies, especially Israel. Because these terrorists had been trained by the US and its allies, and because they still had the modern weapons the US gave them to fight the Soviets, added to the fact that Bin Laden himself was part of one of the richest families in Saudi Arabia, that meant that Al Qaeda had a large amount of trained and experience fighter to train even more Islamic jihadists who had access to modern American weaponry and Saudi funding. This made them the most powerful terrorist organization during the 1990s (1998 American Embassy bombings in Tanzania and Kenya, the USS Cole bombing and then the September 11th World Trade Center attacks) and the early 2000s.
Answer:
The war pitted the Central Powers (mainly Germany, Austria-Hungary, and Turkey) against the Allies (mainly France, Great Britain, Russia, Italy, Japan, and, from 1917, the United States).