Parthenon I did the research for this
By 1279, the Mongol Empire covered over 33,000,000 km² (12,741,000 sq mi), up to 22% of Earth's total land area. It held sway over a population of over 100 million people.
The Treaty of Versailles transferred the German concessions in Shandong to Japan instead of restoring Chinese sovereignty over the area.
The answer is B: a larger urban population.
One statistic that has functioned steadily as an indicator of the level of industrialization and economic development in countries is the percentage of people living in urban areas, that is to say, people living in cities rather than on rural lands. It is a good indicator because this allows one to infer that the population of such a country is employed not in farming or fishing, but rather in industrial labor, the service industry or forms of human capital exploitation.
Women had to tack on new roles to support there families. The war provided women to get in to the public sphere.