Military conquest was a primary reason why Islam spread so quickly. As demonstrated in the “The Spread of Islam” map from Document C, the reader can clearly see that everywhere the Islamic World spread, a military campaign occured. A military campaign means plans for war or battle. Although it is possible, it is unlikely that the Islamic teachings just spread. Most likely, the teachings spread through a forced movement, or a military conquest. There was an extreme Islamic conquest throughout Europe, Asia, North Africa and the Middle East. In an excerpt from a book by al-Baladhuri, in Document F, it states, “But the people of Hims replied, ‘We like your rule and justice far better than the state of oppression and tyranny in which we were.