Hi there! The answer is C. barbarian raids.
Local farmers were unable to feed the Roman population during the fall of the Roman Empire because of barbarian raids. Between the 4th and 5th century, large groups of people entered the Roman Empire, which caused state failure inside the Empire. This period is called the Migration Period and preluded the Middle Ages.
The name of the volcano is SANTORINI.
Santorini is an island in Greece and this name is used to called the volcano which occurred there. Santorini is an a dormant and active volcano; its last eruption was in 1950. The volcano of Santorini is a very famous volcano in Greece and it has the highest crater in the world.
Hello!
To solve this you must divide the total length by 5. 8.225/5=1.645.
Each board will be 1.645 feet long.
Hope this helps!