The statement that best explains why direct democracy worked in ancient Athen is C. The city-state's population of citizens was small
Direct democracy is a type of democracy where the citizens of a country are directly involved in the affairs of their state, through decision making that affects policy.
This system is not ideal in a country or city-state where the population is large, because then, what would be required is representative democracy where each geopolitical zone would choose a representative to make decisions for them.
Therefore, the correct answer is C because the population was small.
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