These are not just miracles, but the signs of Allah. when most people disbelieve in Allah and disrespected and laughed at the Greatest Prophets at their periods sent by Allah to guide those who were away from the righteousness, so these people asked made fun of the prophet’s of Allah, and said okey if you are truly a messengers, so ask your Allah to do this, Ex: the pagan said to Prophet Muhammad (Peace Be upon him) to Spilt the Moon, so that we know your Allah is true and you are a prophet, So the prophet prayed to Allah and with the Permission of Allah the all the miracles to place, but still some said that the prophet is a magician, n some believed the messengers as their deity, and few people believed in the messengers of Allah, that Allah is the 1 and only god and the god of all the prophets who worshiped Allah alone all their life inspite of all the harshness they faced, and from their own disbelievers parents, but still they stood firm in their faith, So with Allah’s permission all the miracle happened when the prophet prayed to Allah and Allah listen to their supplications. Indeed, Allah is over all things competent. Whatever Allah grants to people of mercy – none can withhold it; and whatever He withholds – none can release it thereafter. And He is the Exalted in Might, the Wise.
