The correct answer is A. Reunifying several kingdoms
Explanation:
The Song Dynasty included around nineteen emperors who ruled China from the 10th century to the 13th century. This dynasty is recognized due to its multiple advancements in terms of government and culture. Indeed, during this dynasty, national paper money began to be used as part of the economy and a centralized government was established. This political change unified many kingdoms or territories in China as these were under the rule of the same emperor and share different elements including the use of the same currency.
In our analysis of economics and culture, the substantivists argue that sometimes profit motives are alien to non-western societies. Substantivists is a position in which there are two meanings of the word economy. In this case, depending on the situation profit and motives may be motivating and meaningful to different people based on their economic situation.
"<span>Military power shifted away from European nations" is the best option since it was this very military power that allowed the European nations to be so dominating.</span>
D. Thales i know because of the solar eclipse