The Battle of Al-Hzab Saved the Muslims

The Prophet Salaam Al-Aruzam saw a dream that they're going to perform Hajj and he says to the companions, let's go. And that in that dream he took the companions with him and they went even though at the time Makkah was under the control of the enemies of Islam. Less than two years before, maybe a year and a half before then, the people of Makkah had tried to take over Medina. The Muslims got there with their animals somehow. When they finally got there, the Makkans found that this was too close to Makkah. So now we have to figure out how to negotiate with them right? I won