What are some similarities and differences between Christianity and other religions like Buddhism, Judaism, and Islam? What are ways they are different from each other in regard to how they started or how they became to be?

RESPOND WITH ONLY ONE PARAGRAH EACH QUESTION

In what ways is Christianity similar to and different from other religions?

What are some similarities and differences between Christianity and other religions like Buddhism, Judaism, and Islam? What are ways they are different from each other in regard to how they started or how they became to be? (Consumption and Environment)

Source: https://www.consumptionandenvironment.com/home/differences-between-major-religions

Confessions of dead souls?

If dead souls were expected to recite a lengthy confession before every judgement, why doesnt it specifies what the consequences would be if moral conduct were violated or how would they even know?