China went through a surge of venture capital investment. This was the time period in China that increased the development of new generation of start ups.
This time saw the development of industries like tik tok-parent bytedance limited, ride haling giant didi chuxing. Thus this time period saw development of huge industries in China, developing the economy and giving employment opportunities to large number of people.
D is the answer because democracy was designed so the people would have a say in what the City State is doing and how they are doing it. It was made so the government would not have leading control. It gave the common people a say.