Historiography of the British Empire especially the Royal Navy, was defence of the overseas empire (in addition of course to defence of the homeland). The army, usually in cooperation with local forces, suppressed internal revolts, losing only the American War of Independence (1775–83). Armitage says it became an element of the British creed that: Lizzie Collingham (2017) stresses the role of expanding the food supply in the building, financing and defending the trade aspect of empire building. The first British empire centered on the 13 American colonies, which attracted large numbers of settlers from across Britain. In the 1900s - 1930s period the "Imperial School,"
United States Declaration of Independence that the Declaration of Independence was signed. The adoption of the Declaration of Independence was dramatized in the 1969 Tony Award–winning musical "1776" and the 1972 film version, as well as in the 2008 television miniseries "John Adams". In 1970, The 5th Dimension recorded the opening of the Declaration on their album "Portrait" in the song "Declaration". It was first performed on the "Ed Sullivan Show" on December 7, 1969, and it was taken as a song of protest against the Vietnam War. The Declaration of Independence is also a plot device in the 2004 American film "National Treasure". United