Question

And similarly, We caused them to be found that they [who found them] would know that the promise of Allāh is truth and that of the Hour there is no doubt. [That was] when they[783] disputed among themselves about their affair and [then] said, ''Construct over them a structure. Their Lord is most knowing about them.'' Said those who prevailed in the matter, ''We will surely take [for ourselves] over them a masjid.''[784] وَكَذَٰلِكَ أَعْثَرْنَا عَلَيْهِمْ لِيَعْلَمُوٓا۟ أَنَّ وَعْدَ ٱللَّهِ حَقٌّ وَأَنَّ ٱلسَّاعَةَ لَا رَيْبَ فِيهَآ إِذْ يَتَنَٰزَعُونَ بَيْنَهُمْ أَمْرَهُمْ فَقَالُوا۟ ٱبْنُوا۟ عَلَيْهِم بُنْيَٰنًا رَّبُّهُمْ أَعْلَمُ بِهِمْ قَالَ ٱلَّذِينَ غَلَبُوا۟ عَلَىٰٓ أَمْرِهِمْ لَنَتَّخِذَنَّ عَلَيْهِم مَّسْجِدًا 21

Accepted Answer

[783] The people of the city.[784] i.e., we will make this site a place of worship. al-Kahf Part 15

Translation	And similarly, We caused them to be found that they [who found them] would know that the promise of Allāh is truth and that of the Hour there is no doubt. [That was] when they[783] disputed among themselves about their affair and [then] said, ''Construct over them a structure. Their Lord is most knowing about them.'' Said those who prevailed in the matter, ''We will surely take [for ourselves] over them a masjid.''[784]
Footnote	[783] The people of the city. [784] i.e., we will make this site a place of worship.
Ayah	وَكَذَٰلِكَ أَعْثَرْنَا عَلَيْهِمْ لِيَعْلَمُوٓا۟ أَنَّ وَعْدَ ٱللَّهِ حَقٌّ وَأَنَّ ٱلسَّاعَةَ لَا رَيْبَ فِيهَآ إِذْ يَتَنَٰزَعُونَ بَيْنَهُمْ أَمْرَهُمْ فَقَالُوا۟ ٱبْنُوا۟ عَلَيْهِم بُنْيَٰنًا رَّبُّهُمْ أَعْلَمُ بِهِمْ قَالَ ٱلَّذِينَ غَلَبُوا۟ عَلَىٰٓ أَمْرِهِمْ لَنَتَّخِذَنَّ عَلَيْهِم مَّسْجِدًا
Sorh	al-Kahf
AyahN	21
Part	Part 15

Found عَلَيْهِم Similarly Caused Promise Allāh Truth Hour