The term 'Need for Tug-of-War' refers to the requirement of a ROPE in order to play the game. The crossword solution for this term is 'ROPE', which is a four letter word. Tug-of-War is a traditional game that involves two teams pulling on opposite ends of a ROPE, with the goal of one team pulling the other team across a line. The ROPE is an essential part of the game, as it is the only way for the teams to compete against each other.