Islam is a faith, not a person, and it makes no sense to ask what a faith is in conflict with. Certain groups of Muslims are in conflict with different groups (sometimes for religious reasons, sometimes for political reasons, sometimes for economic reasons), but that is pretty much true of any faith.
A struggle or conflict to spread Islam is a Jihad
Islam is the truth and doesn't conflict on science
Sunni Islam and Shiite Islam cause a lot of conflict in the Middle East.
Islam
There should be no reason for conflict between christianity and islam. The only reason I can think of is dirty Politics
Islam has conflict with democracy in Islam God (Koran) is the top authority and in democracy the vote of people.
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.
at prophet died. they had conflict about who is the right leader of Islam world after prophet.
Sunni and Shiia
Olaf Walter has written: 'Kampf den Kulturen!' -- subject(s): Islam and world politics, Culture conflict, Relations, Islam
Abd. Hadi Awang has written: 'Amanat Haji Hadi' 'Islam & demokrasi' 'Sistem pemerintahan negara Islam' -- subject(s): Islam and state, Islam and politics 'Antara wawasan dan jumud' -- subject(s): Parti Islam Semalaysia, Politics and government
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.