The aide sent by the Hoover campaign to the British Empire damn near choked on his tea when he heard the response from King George V. He expected a more hardline stance, and the need to negotiate further.
While the American had presented a strong argument for the need for cooperation between the two powers. The reality was that the United States was sorely behind in tank and aircraft technology than their European counterparts.
They had not really witnessed the effectiveness of tanks on the modern battlefield during the Great War, nor did they have access to much in terms of principles to go off of when it came to what worked and what did not.
As a result, the American military's technological progression was almost entirely unaffected by the Bruno's interference in the timeline. In 1928, the USA was still fielding m1918 Ford 3-ton tanks and Curtis P-1 Hawks.
