WI Spain = Castille + Portugal ? ( and indipendent Aragon)

How many butterflies will be generated if Spain was considerated united with the union of Castille and Portugal, let's say for example if Isabel married Joao II...? And naturally, Aragon will stands alone till today...
 
I think that's hard to bring about but off hand I'd say conflict.

Aragón has her Mediterranean empire but is on the decline. If Portugal still obtains the African routes to Asia... well in OTL that essentially obliterated Venice until the Dutch started raiding them after the Union. I have trouble seeing similar effects not befalling Aragón so naval warfare at least.
 
How many butterflies will be generated if Spain was considerated united with the union of Castille and Portugal,

Butterflies, millions of 'em.

A modern day Aragon would be cool. Though it would be cooler if it incorporated Navarre too. No Basque or Catalonia independence movements that's a likelihood.

Aragon-Navarre vs. Leon-Castille-Portugal-Granada.
 
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