ELI5: Explain Like I'm 5

Post–World War II economic expansion

Post–World War II economic expansion was a period of time when the world economy was growing quickly after World War II ended (which was a long and difficult period of war). During this time, economies around the world, especially in countries like the United States and Japan, grew quickly, seeing increased trade and investment as well as rapid industrialization. This allowed people to have jobs with better wages and allowed businesses to expand and make more products. The result was a period of economic growth that was very successful and beneficial for people around the world.