Niccolo Machiavelli
Machiavelli was a diplomat in Florence who tried to answer how could a ruler guarantee that he would stay in power by writing The Prince in 1513. Machiavelli claimed that people were greedy and self-centered. He argued that rulers should not be good, and that rulers should do whatever is necessary to keep power and protect their city, including killing and lying. Today, when someone is called a Machiavellian, it means that they are acting tricky and not thinking about the good.
Some of theses changes should occur when there is no war going on. This is to make the country be modernized by the technology. If there is a war going on, the improvement of each technologies will be lessen and could possibly be stopped.
Nuclear family is the term among the terms in question, that is not related to traditional Chinese marriage practices. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer you were looking for and it has helped you.