Answer:
Greeks created the first forms of democratic governments, which led to division of power, but also of larger influence of people in the decision making. The best example for this is Athens, that brought many laws and also created many democratic institutions.
Step-by-step explanation:
In Ancient Greece there were different forms of government in city-states, but in some of them, to be concrete in Athens, we have the creation of a system that preceded today's democracy. In general, there were institutions, such as ecclesia in which adult citizens had the possibility to participate in the process of decision making.