The term 'made a surprise attack' can be summarized by two crossword solutions: 'RAIDED' (6 letters) and 'SPRUNGON' (8 letters). Raiding is a military tactic in which a group of soldiers quickly enter an enemy's territory to cause disruption and damage. It is usually done without warning, making it a surprise attack. Sprungon is a variation of the word 'SPRING, ' which means to suddenly move or act. In this context, it implies that the surprise attack was made with suddenness and speed.