يُجَادِلُونَكَ فِي الْحَقِّ بَعْدَمَا تَبَيَّنَ كَأَنَّمَا يُسَاقُونَ إِلَى الْمَوْتِ وَهُمْ يَنظُرُونَ
“They disputed with you about the truth after it had been made clear, as if they were being driven to death with their eyes wide open.”
This ayah (Q8:6) describes the hesitation some believers felt about engaging the Quraysh's army rather than the merchant caravan at Badr -- the debate this event covers.
Surah al-Anfal was revealed on the plains of Badr regarding the battle and its aftermath.