The document discusses the UK construction industry and whether it is traditionally adversarial. It provides background on the size and importance of the construction industry to the UK economy. It reviews literature that argues the industry is adversarial, with contractors undermining each other to gain benefits, creating a hostile environment. However, other sources propose collaborative working where all parties work towards shared goals, which could decrease adversarial behaviors. The document aims to clarify what adversarial means in this context, why the industry is seen as adversarial, and if perspectives have changed over time through various reports recommending improvements like collaborative working.