Greek Golden Age explain in a few sentences

The Classical Period or Golden Age of Greece, from around 500 to 300 BC, has given us the great monuments, art, philosophy, architecture and literature which are the building blocks of our own civilization. The two most well known city-states during this period were the rivals: Athens and Sparta. The “golden age” of Greece lasted for little more than a century but it laid the foundations of western civilization.

besides the fact that abraham lincoln abolished slavery, and greatly benefit black people, he had a heavy impact of the definition of what democracy was, and should be.

d is definitely the answer