How can anyone these days be that ignorant about islam??
Islam has been around 1400 years.
Muslims brutally ruled the Iberian penensula (spain and portugal) for 700 years.
Much of the 700 year advance of Christianity was wiped out by muslim genocide in the first century of islam, first in the Saudi penensula, then the Tigris, Euphrates valleys, all accross North Africa from Egypt to Morocco then up into the Iberian penensula, being only turned back when in to present day France.
Millitant islam imposed itself from mecca and medina accross all the mideastern area conquering as far as the Balkans at the eastern gate, being only stopped by Dracula at the Iron gate (Straights of the Danube), and by the Khazzars (Ashkenazim Jews) at the eastern gate
and eventually stopped there after the failed siege of Viena but slaughtering the Zoroastrians (remember the Magi at the birth of Jesus?) and Christians of Persia, sweeping through the Khyber pass and slaughtering millions of Hindus, being only stopped by the sheer number to be killed or captured for slaves.
They sailed up and down both the east and west coast of Africa taking slaves and prosletizing by force, conquered Sicily and made many attacks on the hapless Italian people who lived near the coasts of Italy, even exacting tribute from the Vatican itself.
They took slaves as far west as Newfoundland, capturing 800 slaves from Iceland in just one raid.
If you somehow think the teachings of the Qu'ran are going to change then you are sorely wrong.
Today in Kosovo and some parts of central Asia, Churches as old as 700 years are being completely destroyed and even cemetaries being desecrated, headstones and markers removed, sometimes even the bones dug up and scattered.
Again, how can one be so ignorant about the cause of the Crusades.
To say the very least the muslims don't rule Jersalem, a fact that keeps them in constant turmoil.
Islamic tolerance is a myth.