Middle Ages
The Crusade was a series of Holy War that the Christians state of Europe against the Saracens. The Crusade started in 1095 when the Pope Claremont Preached the First Crusade at the Council of Claremont. The word "Crusade" means to Christians was when Jesus crucified himself and was ascended to haven. The Crusades where trying to take over the Judaism, and the Holy Land from the Muslims. But in the end it ended up not working.
The Person that would become the Pope Urban II would have to be born about 1035 to be able to become it. They had to be educated at school, and come from a rich family. Witch he was. In Europe, Christianity was the only religion aloud in the Middle Ages. They were forced to be Christians from birth till death. It wasn't up to them.
Islam is a religion that was founded by Prophet Mohammed, was born c.570 and died 632 A.D.. Islam's prey every 5 minutes every single day. No matter what they are doing, they would and pretty sure still do, they will drop everything just to pray. That's would it was back it the Middle Ages. Even though Europe wasn't founded yet Christendom was the largest grouping. Christendom was the dominus, the realm, of Christ.
In the 1,300's a horrible disease struck Asia, Africa, and Europe. People called this the Black Death. The disease started in 1340's and spread very quickly to Africa, and Europe. The illness would causes people to break out with ring shaped marks with dark center spots on the arms and neck. The Silk Road what people called roads that people transfer stuff to other people on. It basically moved from the East West. The Silk Road was one of the main roads that people would use. Commerce was a way to trade or sell stuff to other people.