After France fell in 1940 , the Vichy government gained control of the AOF .
After France fell in 1940 , the Vichy government replaced the official policy of assimilation with a policy of racial discrimination in shops , trains , and hotels .
After France fell in 1940 , the Vichy government gained control of the AOF and replaced the official policy of assimilation with a policy of racial discrimination in shops , trains , and hotels .