Throughout history probably, Islam, the Muslims tended to follow the values of the time, to a point sometime in the 18th 19th century the Islamic world stalled a let the world pass them buy. They also tended to to follow the rules of war a lot better. In the modern period Christianity by far, The Islamic world has kind of stalled. It's a shame really, if you look deep into it's the most accepting of science and open to differing ideals. These days many of its followers are stubborn forthright and in some places down right Hostile to any ideas the believe are wrong. Its the biggest thing holding them back