[Willie Green]

Such policies contributed to a drastic decline in international trade.

Nonsense.
You're wrongly attributing cause and effect.

In 1929, imports formed only 6 percent of the GNP, yet the Great Depression resulted in a 31 percent drop in GNP. It was the overall economic decline that led to the decline in imports, not vice-versa.

[gcruse]

Nonsense.
You're wrongly attributing cause and effect.

Heh.  I didn't write that.  If you'll follow the link, it goes to the US State Department.