What places were the great depression taken place?

In America Britan and Germany and generally effected most of Europe due to America's economy failing.
Germany was in debt and unemployment was on the rise , Britan was effected by the war and like many other European countries they started to rely on the US for financial help as they where a major creditor for post war Europe.
so basically most of Europe and the US

I believe it is a) to the poorhouse