NEW YORK–(BUSINESS WIRE)–Kroll Bond Rating Agency (KBRA) has assigned a AAA long-term issuer rating to the United States of America (USA or U.S.). KBRA has also assigned K1+ short-term issuer ratings to the sovereign. The long-term ratings have a Stable Outlook. The ratings are unsolicited. Ratings Rating Outlook Action Foreign Currency Sovereign Rating – Long Term AAA Stable Assigned Local Currency Sovereign Rating – Long Term AAA Stable Assi