"Describe and explain the distinctive features in the supply of labour to Japanese manufacturing industry between 1868 and 1914. What contribution did they make to Japanese industrial development during this period?"

I have always liked Japanese culture and history. Anyway, trying to understand a specific topic like this has been very difficult.
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"Describe and explain the distinctive features in the supply of labour to Japanese manufacturing industry between 1868 and 1914. What contribution did they make to Japanese industrial development during this period?"