Answer:
These processes are associated with large-scale movements of the Earth's crust (tectonic plates). Folding, faulting, volcanic activity, igneous intrusion and metamorphism can all be parts of the orogenic process of mountain building.
It appealed to people of a low socioeconomic status.
Also, there was mass conversion, with Peter reportedly converting 3000 people with one sermon. The growth rate was huge. The numbers of Christians increased by 46% every decade.
Another significant contribution of Guru Gobind Singh was the enshrining the Sikh scripture Granth Sahib as the eternal Guru of Sikhism. Thus, after his death, there were no more Gurus in human form. Guru Gobind Singh also wrote the Zafarnama which was a letter to the Mughal Emperor Aurangzeb.
The many cults and sects of Roman religions, and the later inclusion of Germanic and Judaic religions would allow Rome to be inclusive to many peoples, including those whom they conquered.