One reason the Great Depression spread world wide was that trade between nations came to standstill
Step-by-step explanation:
The Great Depression is a watershed moment in US and world history as it caused major economic upheavals across the world.
One reason the Great Depression spread world wide was that it was happening in the world that was increasingly connected and interdependent. It was simply a phenomenon unseen yet.
The panic and the stoppage in trade at the time was the main reason the situations got so bad and eventually the recession was rampant.