as for the true believers when they saw the invading confederates they cried out this is what allah and his messenger had promised us and what allah and his messenger said was absolutely true. this only increased their faith and submission.
ولما رأى المؤمنون الأحزاب قالوا هذا ما وعدنا الله ورسوله وصدق الله ورسوله وما زادهم إلا إيمانا وتسليما