The Great Depression which started in 1929 with the crash of wall street and has a devastating effect on the economic world. Although the world has experienced, recessions but the magnitude of this nature was first of its kind. It left millions of people unemployed across the world. Some even lost the savings of their entire life. The panic followed made the situation worse and industrial economies across the nations suffered severely.
Henry Ford's revolutionary advancements in <u>assembly-line</u> automobile manufacturing made the Model T the first car to be affordable for a majority of Americans.
I would maybe say electing donald trump but that would not be right. so I would say maybe the cold war because even thought they won they did spend alot of money fro pretty much nothing. hope this helps