AHC: No Portugeuse October revolution

Basically, provide a PoD that allows for Portugal to remain a monarchy instead of having the monarchs overthrown on October 5th, 1910. Bonus points if the govt. can remain unchanged to the point of (or beyond) the Spanish Civil War.
 
Two other options, would be:
- to avoid the 1890 Ultimatum, which damaged irrevocably the Monarchy's prestige,
- or the the 1906-1908 dictatorial government of João franco, which prompted the angry response by the republicans (and is suspected by members of the Progressive Party who didn't like the disrespect of the Constitution by the King) that resulted in the 1908 regicide.
 
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