Cyrus The Great and Darius the Great Expanded Persian Territories establishing the Achaemenid Empire, which was the largest the world has ever seen
I believe the answer is: Integrative theory
Integrative theory view that society could never be exist unless each individuals fulfill their own roles. These happen because humans are unique in terms of our talent/capabilities. So in order to crate a well functioning society, different humans had to integrate our different capability to operate it.
Answer:
Cleisthenes
Explanation:
Cleisthenes or as historians refer to him <em>"a father of Athenian democracy"</em> was born around 570 BC. He assumed leadership of Athens and began to reform its government. New basis for a democratic structure was the ten tribes according to their area of residence (or <em>deme</em>). Ten demes were divided among three regions, contrary to traditional tribes which were based on family relations. His reforms were called <em>inosomia</em>, instead of <em>demokratia</em>.