god is pleased with the believers for their pledging obedience to you under the tree. he knew whatever was in their hearts thus he granted them confidence and rewarded them with an immediate victory
لقد رضي الله عن المؤمنين إذ يبايعونك تحت الشجرة فعلم ما في قلوبهم فأنزل السكينة عليهم وأثابهم فتحا قريبا