The answer is (a.), Mahayana Buddhism is beliefs system did the win dynasty. Hope it helped you, and have a great day!
-Charlie
I do believe the early Egyptians, being as smart as they where used a interesting method of a sundial. It caught the suns shadow and they where able to use it to tell the time.
The Niles water would be collected during the summer season because that's when the water would rise. This helped the Egyptians to grow their crops however the Nil would often flood and cause destruction to the surrounding land and crops.
They would chose death to die with honor instead of being captured by the enemy and being forced to face capital punishment which would bring shame to themselves and their family
C.) It is both arguable and defensible. :)