All of the following were contributions and achievements of the Greek Empire EXCEPT: a. Advancing mathematics and science such as discovering the Earth’s circumference
b. Creating masterpieces of literature such as The Odyssey
c. Building major aqueducts to provide regions with water
d. Engineering major architecture such as the Parthenon

Historians have recently discovered a historical journal published in the early twentieth century. the journal contains facts based on original sources about the downfall of the early byzantium empire. historians consider this long-lost journal to be a breakthrough in their understanding of the byzantium empire. based on this information, the journal is a source.