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.
FC45 in the Hyperflow of History. Covered in multimedia lecture #4334. The Byzantine Empire, much like the Roman Empire, faced a formidable array of external enemies. However, it was largely internal decay which destroyed both empires. The political and economic stability of the empire by 1000 A.D. led to two lines of development which combined to trigger a pair of interlocking feedback cycles that, in turn, eventually wrecked the empire.