I don't have time to teach remedial U.S. history. You can find charts that clearly indicate the phenomenon here (for ones which show pre-WW2 data): https://wtfh

I don't have time to teach remedial U.S. history. You can find charts that clearly indicate the phenomenon here (for ones which show pre-WW2 data): https://wtfhappenedin1971.com/ https://wtfhappenedin1971.com/ Probably the best chart: https://wtfhappenedin1971home.files.wordpress.com/2020/06/img_0658-1.jpg https://wtfhappenedin1971home.files.wordpress.com/2020/06/im...