Conversation so far:
What is involved in the Harry Dexter White's Japan policy?
Harry Dexter White's Japan policy involves an insistence on Japanese withdrawal from China, which Japan totally refused to consider.
Was Harry Dexter White's Japan policy successful?
Complex negotiations took place in late November 1941 with no further input from White and Dexter White's proposals were never presented to Japan.

Question: Did he have any other proposals?
Self-contained rewrite: Did Harry Dexter White have any other government policy proposals besides the Japan policy?