* Economic devastation: The war caused widespread economic devastation in Europe and beyond. Many countries were left with huge debts, and the war had a lasting impact on the global economy.
* Political instability: The war led to the collapse of several empires, including the Russian Empire, the Ottoman Empire, and the Austro-Hungarian Empire. This created power vacuums that led to political instability in many regions.
* Social upheaval: The war had a profound impact on society, leading to changes in gender roles, class structures, and cultural values.
* Technological advancements: The war led to the development of new technologies, including tanks, airplanes, and submarines. These technologies would have a major impact on future wars and on society as a whole.
* Rise of nationalism: The war contributed to the rise of nationalism in Europe and around the world. This would eventually lead to the outbreak of World War II.
* The Holocaust: The war created the conditions that led to the rise of Adolf Hitler and the Nazi Party, and ultimately the Holocaust.