Here are some of the dividing beliefs:
Islam. It claims that it is the continuEation of Judaism and CHRISTIANITY
Christianity and Islam both trace their roots to Judaism.
It is called (the set of) Judeo-Christian values. Christianity is a daughter-religion of Judaism.
Judaism, Hinduism, Buddhism, Christianity
Some of the most common beliefs are Christianity, Muslim, Judaism, Hindu, and Atheism.
God (Allah) did that.
Good over evil which is monotheism.
Judaism, Christianity, Islam
Good over evil which is monotheism.
Believe in one god.
There were not any new religions in the Roman Empire from which Christian beliefs and customs were rooted. Christianity itself was a new religion. Originally it was a sect of Jews and it was rooted in many of the beliefs and customs of Judaism. Then it strove to differentiate itself from Judaism. Judaism was an old religion, not a new one.
You should research that.