It is not conflict that is there between Islam and other religions.
As different religions, sure there are aspects of differences not between Islam and other religions but among all religions or among any two religions. On the other hand, there similarities among any two or more religions including Islam.
However, whatever the difference between Islam and other religions, people of different faiths are required to live in peace, harmony, and mutual respect. God (Allah) says in Quran that he created people in different faiths and beliefs to compete in doing the good for humankind and not to live in conflict.
See the related question, below, for more details.
There should be no reason for conflict between christianity and islam. The only reason I can think of is dirty Politics
The Crusades were mainly a series of military campaigns between Christian powers in Europe and Muslim forces in the Middle East. The conflict arose due to religious and political tensions between Christianity and Islam during the medieval period.
Christianity is not against Islam, though it does conflict upon the basis of faith. But from the Islamic perspective Christianity it self gives testimony for the Last prophet of Islam.
Both Islam and Christianity originated out of Judaism.
christianity islam
Islam oppose animal euthanasia only when there is no reason.
The connection between Islam, Christianity and Judaism is that the three religions trace their history to the covenant between God and Abraham.
There is no war between Christianity and Islam. Some extremists in both groups are using religion for very ungoldy purposes.
Medieval crusades were caused by conflict between Christianity and Islam in Palestine. Christian Europe and Islamic Turcs had interests in the same area.
Christianity is older than Islam.
The question should be " What does Christianity have to do with Jews (or Judaism)?" Judaism is like a tree where Christianity is its branch and Islam is it leaves. Christianity is based on Judaism and Islam is based on Christianity. The major difference between the three is that Judaism doesn't have jesus in it unlike Christianity and Islam.
Christianity: Son of God (Messiah) Islam: Prophet Judaism: False messiah