sentences:  Despite its successes, the contract with AIC was terminated on December 28, 1926.The industrial colony paid off in the recovery period with its limited production size, but when industrialization began, the pace of development accelerated and the scale of industry expanded, the AIC could no longer maintain efficiency with its own special form of organization.In 1923, foreign experts, in particular Americans, began to be arrested and repressed, some were shot in the 1930s.