740.0011 P.W./560: Telegram

The Ambassador in Japan (Grew) to the Secretary of State

1606. For the Secretary and the Under Secretary only. I learn from an absolutely reliable source that the proposed forthcoming landing of further Japanese forces in northern Indochina is for the purpose of attacking Yunnan in order to sever the Burma route. This information should be most carefully guarded.6

  1. For substance of warning of probable reaction of the United States Government to such landings, see memorandum of October 9 by the Counselor of Embassy in Japan, Foreign Relations, Japan, 1931–1941, vol. ii, p. 669. The Ambassador in Japan reported to the Department concerning this warning in his telegram No. 1601, October 10, 3 p.m. (740.0011 P.W./559).