Well as I'm sure you know we live in a society greatly impacted by technology and because so everything important usually ends up on the internet, the dissemination of news helps activists and the regular joe, educate themselves. But as in a political revolution starting I suppose dissemination would make them more educated in the debate, and allow them to spread there message.
<span>They continued their prosperity by moving south of the Huang River. There they ruled for another 150 years.</span>
I would say the correct answer is <span>D. The increase in food production that allowed more people to pursue education.
I don't think A is correct because peasants and the bureaucracy don't really have much to do with science or culture; B is also incorrect because the Song dynasty didn't have a caste system; C is incorrect because women at the time didn't really affect culture or science. This is why I believe D is the correct answer.
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