Surah Muhammad 47:11
ذَٰلِكَ بِأَنَّ ٱللَّهَ مَوْلَى ٱلَّذِينَ ءَامَنُوا۟ وَأَنَّ ٱلْكَـٰفِرِينَ لَا مَوْلَىٰ لَهُمْ
That is because Allāh is the protector of those who have believed and because the disbelievers have no protector.
Translation: Saheeh International
Tafsir
That granting of victory to the believers and the vanquishing of the disbelievers is because God is Patron Ally and Helper of those who believe and because the disbelievers have no patron.
Excerpt from Tafsir al-Jalalayn, commentary on 47:11, via Quran.com. The reader has the full commentary and 9 more tafsirs.