Which of these best describes the political authority of greek city-states

How does fiscal policy impact the nation’s economy?

The areas with the highest population density in europe are most likely to be

Bonus question: according to wikipedia, in chinese philosophy yin and yang "describes how seemingly opposite or contrary forces may actually be complementary, interconnected, and interdependent." what are some examples from the story that amy tan may have intentionally incorporated elements of yin and yang philosophy into this story? select 2.