The Chinese communists used the insurgent approach of protracted popular war to conquer China after World War II.
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Answer:specialization, factory system, machines
Explanation:
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Workers tried to get improved conditions and wages through labor unions. These unions often started friendly enough, but they soon became organizations for winning improvements by collective bargaining and strikes.
<span>Industrial workers also tried political action. The struggle to win the right to vote and to extend their political power was one of the major factors in the spread of democracy during the 19th century.</span>