Which two events contributed to the spread of Ancient Greek culture and literature?

Explanation:

The first answer is the founding of democratic principles, the system of  government by the majority of people, for the people by the people. This is the system that rules most of the western world.

The second answer is the Macedonian's victory over Greece. Alexander the Great was Macedonian, not Greek, but with all the territory he conquered, He spread Greek culture.

yup! you are correct it is b.