On their part the Muslim rulers, in consonance with the spirit of Islam, followed a policy of religious tolerance and granted perfect freedom of belief to the people. There is no reference in the sources of any of the ruler’s having ever attempted to impose Islam by force on any of the conquered people. From the very beginning Islam was left to itself to make its mark on the people through persuasion and understanding….
[Source: History of The Muslims of Bengul Vol 1B page 733. Publisher: Imam Muhammad Bin Sa’ud University. First Edition 1406H/1985