The supply side supplies the product for us the demand side
Answer:
It allowed for longer, safer voyages. C
Explanation:
A- He reunited the Franks to fight to fight off Muslim Invasion.
He won a decisive battle against the Muslim invasion during the Battle of Tours after which they never attacked France again and stayed in Spain.
This answer is on answers.com its really a great website to use just put the question in and yay.