The World War I era refers to the period surrounding the First World War, which lasted from 1914 to 1918, and its profound impacts on global politics, economics, and society. This time was marked by intense military conflict, shifts in power dynamics, and the emergence of new ideologies, setting the stage for future challenges such as the Great Depression. The repercussions of the war, including economic instability and social upheaval, would have lasting effects on countries worldwide.