On 19 August Roosevelt and Churchill signed the Quebec Agreement, which was typed on four pages of Citadelle notepaper, and formally titled "Articles of Agreement governing collaboration between the authorities of the USA and UK in the matter of Tube Alloys". The United Kingdom and the United States agreed that "it is vital to our common safety in the present War to bring the Tube Alloys project to fruition at the earliest moment", and that this was best accomplished by pooling their resources. The Quebec Agreement stipulated that: