In an effort to cut off military supplies to China, Japan invaded French Indochina in 1940. After days of combat, the French Vichy government reached an agreement with Japan that allowed them to occupy Tonkin Bay. The Japanese military had a continued presence in Indochina throughout the war.
Cut off British supply lines
France ruled it, and this is why it was called "French" Indochina.
The French had fought there from 1946 to 1954; 1st Indochina War or French Indochina War.
Invasion of French Indochina happened on 1940-09-26.
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Roosevelt cut off the oil supply to Japan and this led to the attack on Pearl Harbor.
The French and the Japanese
Second French Indochina Campaign happened on 26-03-09.
France was the only European Nation fighting in the 1st Indochina War (also known as the French Indochina War or French War).
The French Indochina War 1946-1954 (aka 1st Indochina War).
Only as men of the French Foreign Legion during the French Indochina War 1946-1954.
The Vietnamese