For nearly 1000 years which control controlled Vietnam until the 939? China. Which answer is the best definition of a colony? Native land or territory is ruled by a distant country.. When France reorganized the countries under their control, what was the new area called? Indochina. When France reorganized the countries under their control, what was the new area called? Indochina. On August 19th 1945 the August Revolution occurred, what was it? Viet Minh forces seize control of Hanoi in North Vietnam.. In an attempt to gain U.S. support for Vietnam's independence against Japan, what did Ho Chi Minh do? Modeled the Vietnamese Declaration of Independence on the U.S. Declaration of Independence.. What happened at Dien Bien Phu? Colonial French forces were defeated by Ho Chi Minh's forces.. Prevent the spread of communism in Southeast Asia