The constitution is an example of primary source hope this helps!!!!!!
There are actually a lot of proof of how Einstein lead many people to question the nature of reality. Einstein knows how people loves to ask. Most of the people are curious about on what is going on in their life. Einstein was not just a scientist, Einstein was actually a philosopher too.
Yes, it is true that following the stock Market Crash of 1929, Americans went through the worst depression this country has ever seen, since this crash affected the most households in the country and spread across the entire world.
