Crusade was a series of Religious Fight between Jewish, Christianity, and Muslim. It happened in between 11th and 16th century. They fight almost 5 century-long to captured the holy hand, Jerusalem. There are many reasons for that 3 religion to joined the fight, some were to expand their religion, defend from other religion. Those 3 had caused many different effects to people and themselves after a battle. There were more than 100 thousand Christian who volunteer along the Crusade. The result turns out that half of them actually wounded and killed. Second, half of the reason was because of half of them or died and some other were cloistered by others army leading to the problem when their population significantly reduced. Third, the Christian