What were the 3 main causes of the crusades?

Although the central purpose of the Crusades was to get the charge of Jerusalem off from the Muslims, there were several causes why European knights and others were prepared to go and confront a combat in a different land.

answer; (religion)

martin luther king (1929-1968) was an activist for the african american rights, mr. king has a profile of a kind leader that built a tenacity, respect and full of hope future. he was an activist through civil disobedience and no violence pressure mechanisms. he tried to build a more egalitarian and fair society. his efforts carried a reivindication message of the civilian rights to every west corners. for that reason, he won the nobel prize in 1964.