
World War I
You'll learn that World War I took place from 1914–1918 and understand why this four-year period fundamentally changed the modern world.
You'll identify the Central Powers (Germany, Austria-Hungary, Ottoman Empire) versus the Allied Powers (Britain, France, Russia, later USA) and grasp why nations chose their sides.
You'll understand how trench systems created deadly, immobile front lines and why millions of soldiers faced brutal conditions with little territorial gain.
You'll see how nations transformed entire economies and civilian populations to support the war effort, making World War I a conflict that touched everyone.