Keynesian economists stated that the recession of 1937 was a result of a premature effort to curb government spending and balance the budget. Roosevelt had been cautious not to run large deficits
The history of how earth was formed, things that happened that effected history like climate change that can affect history because as you know climate protests are happening and people in the future will write down that climate protests were happening everywhere
Brown v. Board of Education was a landmark case in which it was finally proven that segregation in institutions of education was highly unconstitutional, so you could say that that is the greatest effect since it made other schools become open for everyone as well.
democracy, where everyone elects a leader
