The 15th century....I think
Your answer is A.) Lincoln won 40% of the popular vote. Lincoln actually won the election with less than 40% of the popular vote.
The answer is: Society, women, government
Wollstonecraft believed that the society has imposed a strong gender roles that put women's value beneath the Men's. Making it impossible for women to compete in the professional field and advance.
She also put some of the blame to women at that era, who simply sit idle and accept the mistreatment given to them, and to the government who did not intervene with the situation through legal methods.
From my knowledge, the Huang River is the birthplace of civilization in China. In fact, some of the most ancient settlements in Eastern Asia is situated on the banks of the Huang River. There is a Chinese cliché that says that "the Huang River is the cradle of the Chinese". Now to answer your question, the river provided a source of food and transportation, which encouraged early barter exchange throughout the small villages/tribes of ancient China.