For instance, one is the similarities and differences of the causes of World War I and World War II..Another interesting thing to talk about when you think of wars would be all the different countries involved, belligerent or peaceful.
There were also many reasons that led to the beginning of WWII.
Many countries were involved in both of these hellish wars.
Most of the countries that took part in WWI were also in WWII. The first power was called the Central Powers which consisted of Germany, Austria-Hungary, Bulgaria, and the Ottoman Empire.
"The primary cause of the Great Depression," reads the first sentence of President Herbert Hoover’s , "was the war of 1914–1918." And that so-called Great War, along with the Depression it spawned, was the driver that eventually produced the even greater catastrophe of World War II.
Economists and historians continue to this day to debate the proximate causes of the Great Depression.