Which of the following events in the Middle Ages created an increased demand for labor? Pope Urban Il calls for a Crusade
Pope Leo crowns Charlemagne emperor
the Black Death sweeps through Western Europe
Richard the Lion-hearted and Saladin reach a truce

An increse in demand for labour was caused by Pope Urban II call for a Crusade.

the hebrew bible is the sacred text of judaism;

the koran is that of islam.

among eastern religions, the sacred scriptures of hinduis are the four vedas and the upanishads, among others.

a main characteristic in these books is that un most of them we find certain "norms" of behavior, as is the case of the bible that has it's commandments. these rules are to regulate the behavior of believers and faithful of their respective faith.

these rules tell us what is right and what is not.