Answer:
The Visigoths were slowly invading the Byzantine Empire.
The Byzantine Empire was slowly losing its hold over its territories.
Explanation:
The second one. The canal helps ships stay on sea level
1. weakened Persian and Byzantine rule
2. effective fighting methods.
One of the "paganic" beliefs that the Aztecs thought at the prehistoric time would be that in order to continue the sun on moving, it must be fed with a precious fluid, at which time they guessed it could be human blood. They made a lot of human sacrifices for the sun in which these humans are mostly slaves or prisoners.