Islam did not break up from Christianity, it came much later.
Answer:
The teachings of Jesus were the same as all the other Prophets of God: Obedience to the will of the One God. So the REAL Jesus was teaching an earlier form of 'Islam'. That's what all the Prophets of God taught taught.
So "Christianity" - the religion that Paul (Saul of Tarsus) invented - broke away from Islam. Not the other way around.
Islam, Judaism and Christianity.
Christianity, Islam
Islam, Christianity
Because it was the birthplace of Christianity, Judaism, and Islam and they were discovered as one religion. Over time people found their differences and went their separate ways.
The Bible is to Christianity as the Qur'an (Koran) is to Islam.
Judaism, Christianity, and Islam have all claimed the Holy Land for themselves.
Christianity, but Islam may overtake Christianity relatively soon.
Christianity is to Bible as Islam to Quran.
Judaism, Christianity, and Islam religions.
Both Islam and Christianity originated out of Judaism.
Neither Islam nor Christianity believe in idols,
Christianity, Islam, Buddhism, Hinduism