During the 700s, most of spain was conquered by the
a. germanic barbarians
b. muslims
c. byzantines
d. huns

Good Morning!
 
The invaders of the Iberian peninsula, where Spain and Portugal are located, were the Muslim Arabs. These conquerors remained in the region for more than 800 years, being expelled only with the formation of the already mentioned states.
 
Hugs!

If i remember correctly it was caused by people hurling bodies at a country for some reason and them they all became infected