Mussolini had a fixation.
In his opinion UK was declining.
Bad demography,Dominions more and more indipendents,trouble with the pearl of Empire (India).
The idea was that Italy would be in future the great star overcoming the Great Britain.
My question is,assuming a timeline without WW-II (Hitler is shot in great war),the "overtaking" in long period was plausible?
(considers also the huge reserves of Lybian oil availables from 50s).