Which widely used system of government did ancient greece contribute to the modern world?

Democracy

Explanation:

Democracy is a social organization in which political control is exercised by the people. It is a system of government that results from the free choice of rulers, which is expressed by the union and will of the majority of the governed, confirmed by votes.

The concept of democracy emerged in Ancient Greece in 510 BCE, when Cliestenes, a progressive aristocrat, led a rebellion against the last tyrant, overthrowing him and initiating reforms that implanted democracy in Athens.

This concept contributed much to the construction of the modern world we know.

all

explanation:

it was the shinto. the answer is c.