The correct answer is the following: Charles Martel is credited with halting the advance of Islam in Europe. Charles Martel was the mayor of the palace of Austrasia, which was the eastern part of the Frankish kingdom. During the Battle of Tours, also known as the Battle of Pointers, in 732, that Charles Martel won over the Muslims, who were trying to invade Europe through Spain. The battlefield could not be specifically located, but it is known to had occur between the cities of Tours and Pointers.