The term 'Surround with Troops' can be summarized by the crossword solution 'BESIEGE, ' which is a seven-letter word. BESIEGE is a military tactic in which an attacking force surrounds a defended location in order to isolate it and prevent supplies and reinforcements from entering or leaving. This tactic has been used throughout history, most notably during the Middle Ages when armies would surround castles and towns in order to force their surrender.