Apostolic Prefecture of the United States Apostolic Prefecture of the United States The Apostolic Prefecture of the United States () was the earliest Roman Catholic ecclesiastical jurisdiction to be officially recognized after the United States declared independence in 1776. Before and during the American Revolutionary War, the Catholics in the Thirteen Colonies (not including Canada) were under the ecclesiastical jurisdiction of the bishop of the Apostolic Vicariate of the London District in England. The war was formally ended by the Treaty of Paris, which was signed on September 3, 1783, and was ratified by the Congress of the Confederation (of the newly independent United States of
United States Declaration of Independence a means to present a distinctly American political identity, thereby stimulating public debate on a topic that few had previously dared to openly discuss, and public support for separation from Great Britain steadily increased after its publication. Some colonists still held out hope for reconciliation, but developments in early 1776 further strengthened public support for independence. In February 1776, colonists learned of Parliament's passage of the Prohibitory Act, which established a blockade of American ports and declared American ships to be enemy vessels. John Adams, a strong supporter of independence, believed that Parliament had effectively declared American independence before Congress