Which of the following behaviors is not allowed in the Christian and Jewish faiths?
A. Convincing someone to change religions
B. Trading tools for food
C. Worshipping more than one god
D. Marrying someone of another faith
Worshiping more than one god. There is only one god in the religions. You could marry someone of another faith, and it "is allowed" to convince someone to change religions. Also, you can, of course, trade food for tools.