Question

What indicates that Christianity and Judaism influenced the development of Islam? their mutual belief in many gods

Answer 1

The correct answer is the last choice;
"Their shared religious beliefs" 

Answer 2

The correct option is: "their shared religious beliefs"

The Abrahamic religions are the monotheistic religions that recognize a spiritual tradition identified with Abraham, the term is used mainly to refer collectively to Christianity, Judaism and Islam.

There are a certain number of common aspects between Judaism, Christianity and Islam:

• Monotheism.

• A prophetic tradition. The three religions recognize figures called "prophets"

• Acceptance of some religious obligations of Judaism found in the Bible as a spiritual devotion to the traditions of Abraham and Moses for Christianity and for Islam, including those that have parallel narratives in the Koran, such as the stories of Adam, Noah, Abraham and Moses.