Which of the following was a reason why Greek culture spread so quickly throughout the known world?

A. Scientists and philosophers had plenty of leisure time.

B. Routes and roads had begun to be established between cities.

C. Exposure to other civilizations increased knowledge and spread ideas.

D. Greek became the universal language of culture in the known world.

E. All of the above.

Wrong choice. This definitely helped spread ideas because there was more time for learning.

Wrong choice. This helped link cities and diffuse ideas between regions in the empire.

Wrong choice. Other civilizations added to the Greek culture and helped promote new ideas.

Wrong choice. Greek was the universal language and it greatly helped in communicating new ideas across vast distances among different people groups.

Correct!