Prior to WWI, powers across Europe were rapidly expanding their armies, which built a sense of distrust among the nations. Britain felt particularly threatened by Germany, as it began to rapidly expand its army. However,... More »

World War I was called "the Great War" not just for its epic scale but also for the sense that it was a more important and meaningful conflict than earlier European wars. The carnage created by the war was unprecedented,... More »

According to, Germany was not a major cause of the start of World War I. In fact, it was Austria-Hungary that first declared war on Serbia, leading to the beginning of WWI. Not all countries entered into WWI at... More »

During WWI, poison gas was used as a type of chemical warfare to attack large armies. The gas was delivered either by using the wind to carry the poisonous gas to the enemy's front line or by placing the gas into artille... More »

Life during WWI was characterized by the inescapability of the conflict; soldiers faced imminent danger and unhealthy trench conditions, while civilians dealt with rationing, evacuations and air raids. During this time, ... More »

According to PBS, there were two main causes of the stalemate during WWI: the failed military tactics of The Schlieffen Plan, and the new war tactics required for trench warfare. More »

Countries that remained neutral in WWI included Denmark, Holland, Sweden and Spain. Other countries that did not take part in WWI were Argentina, Chile, Afghanistan and Persia. More »