World War II: How Did It Start?
In the years that followed World War I, tensions remained between countries due to differing ideologies and belief systems. Adolf Hitler and his Nazi Party quickly rose to prominence and power, and began promoting intolerance towards certain marginalized groups, including the Jewish population. Nazi Germany had alliances with fascist Italy and Japan, and this grouping proved itself a deadly one. Meanwhile, the League of Nations and Allied countries initially acted passively in the face of this threat due to guilt from WWI. In Part 2 of our series on WWII, WatchMojo.com explores how and why the Second World War began.