Home âº Research Methods âº Correlation. Correlation means association-more precisely it is a measure of the extent to which two variables are related. If an increase in one variable tends to be associated with an increase in the other then this is known as a positive correlation.
A.D. 468. Photo credit: Fourat/Panoramio. Just like the army, the Roman navy has had its fair share of military disasters. In this one, a joint naval expedition (reputedly one the biggest in ancient times) by the Empire and the independent province of Illiricum against the Vandal Kingdom ended in a huge lopsided defeat.his battle marked the first time that a Roman emperor died at the hands of a foreign enemy. Set in the modern-day city of Razgrad, Bulgaria, the battle pitted the Romansâled by the co-emperors Decius and his son Herenniusâagainst the Goths.
This time the gates were opened by slaves and the Visigoths went in a looted the city, damaging buildings and ransacking the tombs of previous Emperors. Rome had not been sacked in 800 years but the Visigoths managed to sack the city before continuing their rampage to further south in Italy. This Visigoth victory came at a huge price with the Visigoths losing 17,000 casualties and losses out of their 39,000 men while the Romans had 15,000 casualties and losses out of 18,000 men.