Was it Germany, as most countries (Correction: Most Allied countries) seemed to think? Was is Serbia, with their assassination of Franz Ferdinand? However, the whole conflict goes back much further. The entirety of the Industrial Revolution helped contribute to the building tension, as well as militarism and the alliances formed by several world powers. All of these helped build the pressure, until one small event could trigger a series of explosions that led to the deadliest war of the time. And after it ended, the Treaty of Versailles helped re-build the pressure so that World War II could occur. The Treaty of Versailles was very unfair and biased. Among other things, it forced Germany to take the blame for all of WWI, and pay for war damages, which helped destroy Germany’s economy. It also took away most of Germany’s military, quite a lot of territory, and valuable resources. It’s obvious that all these created feelings of desperation and anger, which was later taken advantage of. The Treaty of Versailles also was disorganized and messy, which was caused by the disagreeing opinions of the people who drew it up. So it was no surprise that it eventually caused one of the biggest wars of all