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 to declare independence unless their instructions permitted such an action. Several colonies, in fact, expressly prohibited their delegates from taking any steps towards separation from Great Britain, while other delegations had instructions that were ambiguous on the issue; consequently, advocates of independence sought to have the Congressional instructions revised. For Congress to declare independence, a majority of delegations would need authorization to vote for it, and at least one colonial government would need to specifically instruct its delegation to propose a declaration of independence in Congress. Between April and July 1776, a "complex political war" was waged to bring this