The Prophet was sent to all of Mankind Allah says to His servant and Messenger Muhammad ﷺ:

وَمَآ أَرْسَلْنَـكَ إِلاَّ كَآفَّةً لِّلنَّاسِ بَشِيراً وَنَذِيراً

(And We have not sent you except as a giver of glad tidings and a warner to all mankind,) i.e., to all of creation among those who are accountable for their deeds. This is like the Ayah:

Commentary

That Allah is One and that His power is absolute was the subject in previous verses. In the present verse, it is being said that the Holy Prophet ﷺ “ was sent as the Messenger of Allah to all peoples of the world who are there now or will come in the future.