Where does the name kerawala come from?

The definition of chivalric is what? What word means a period of time that an intoxicated person cannot recall? Did workers get paid in Medieval Times? What is Empediment? What does the name Charlemagne mean? What caused Vespasian's downfall? Why did roman engineers build aqueducts? What brought the Roman Empire to ruin? What did Hestia contribute to mankind? What was the Roman apron for? What types of achievements did one need in order to become a knight? Is the code of hammuradi and twelve tables of rome are example of written law? What three European kings led the Third Crusade? When was Charlemagne one of the great kings? What is the past tense form for creep? Why was the Roman empire who he was? How long did it take a slave ship to get to west Africa? What was something new that contact with the East introduced during the crusades that caused life in Europe to change? Was the Montgomery bus important to Luther? What was the alliance formed among western countries after world war 2?