Tube Alloys was a project opposed to nuclear weapon projects.
 In a section of the Quebec Agreement formally entitled "Articles of Agreement governing collaboration between the authorities of the USA and UK in the matter of Tube Alloys", Britain and the USA agreed to share resources "to bring the Tube Alloys project to fruition at the earliest moment"
 A compromise was reached, with Chadwick put in charge as Britain's technical advisor for the Combined Policy Committee, and as the head of the British Mission to the Manhattan Project

