He doesn’t know you’re lactose intolerant
Answer:
Historians might not exactly know "simply as it happened"
Explanation:
For starters, a historian might not know exactly how it happened or simply as it happened, therefore who cannot require them to. If we did we would get inaccurate accounts that wouldn't be beneficial.
Causes of the Wall Street Crash were the collapse of the
stock market due to the drop in prices that people started selling their stocks
and this led to closures of banks many invested in stocks. The impact was that many business were closed
down and many people lost their jobs.
More hours means more money? need more money to support themselves/possible a family?? what is the context
Then we wouldnt know where things originated from or started