These should be the facts we can preach in Arbaeen Walking to all nationalities coming there:
Imam Mahdi(aj): "If all our Shias gather and their hearts get united because of the allegiance(Ahd) they have with us, our meeting wouldn't be delayed and the blessing of our meeting which is going to occur would take place so soon"
So, we should invite all nationalities specifically in the Arbaeen Walking to:
To the allegiance(Ahd) which we should have with Imam Mahdi(aj), the Ahd of Wellaye:
In our united hearts and deeds, inshaallah.