On 14 August 1941, the Atlantic Charter was formally agreed upon by British Prime Minister Winston Churchill and United States President Franklin D. Roosevelt. Meeting aboard the HMS Prince of Wales off the coast of Newfoundland, the two leaders established a shared vision for the post-war world, despite the United States not yet being an active participant in the conflict. This historic document served to align the strategic objectives of the two nations, providing a moral framework that defined the Allied cause against the Axis powers.

The Charter articulated a series of broad principles intended to guide international relations and ensure a stable global order once hostilities ceased. Its core tenets focused on the restoration of sovereign rights, the promotion of economic cooperation, and the establishment of a system of collective security. By committing to these ideals, the document sought to reassure the international community that the war was being fought for the preservation of democracy and freedom rather than territorial expansion.

The key principles outlined in the agreement included:

• The rejection of territorial gains or changes not in accordance with the wishes of the people concerned.
• The right of all peoples to choose the form of government under which they live.
• The restoration of sovereign rights and self-government to those who had been forcibly deprived of them.
• Equal access to trade and raw materials for all nations.
• The establishment of a wider and permanent system of general security.

Beyond its immediate impact on wartime morale, the Atlantic Charter proved to be a foundational document for the international landscape that emerged after 1945. It directly influenced the development of the United Nations, as its emphasis on international cooperation and the peaceful resolution of disputes became central to the organisation's charter. By setting out these universal goals, Churchill and Roosevelt successfully framed the Allied war aims, ensuring that the struggle against tyranny was inextricably linked to the pursuit of a more equitable and secure global future.