The answer is A) He developed new methods of steel production.
The one-child policy had people pay special fees as punishment for having more than one-child. This led to a large number of hidden undocumented children that were hidden to avoid breaking the law. This mostly occurred in rural areas and was a big problem for the government.
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Greek city-states likely developed because of the physical geography of the Mediterranean region. The landscape features rocky, mountainous land and many islands. These physical barriers caused population centers to be relatively isolated from each other. The sea was often the easiest way to move from place to place.
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when compared with Locke, jean Jacques Rousseau sometimes seems the most radical democrat thought a close reading of his work shows that in important respects Rousseau's conception of democracy is narrower than Lockes
In general when they need to get done with their basic requirements or their needs they fight for that if the authority didn't respond proply..
sequence like salary incresment.
then the Labour union strikes to win their requirement.