Linked from
The 6 pages that link to Pragmatic Sanction of 1830, each with the reason it gives.
House of BourbonRelated: It shaped the succession dispute between Isabella II and the Carlists.
CarlismRelated: It enabled Isabella to inherit and became a central target of Carlist opposition.
Carlist WarsRelated: It supplied the legal basis for Isabella’s succession, which Carlists rejected.
Ferdinand VIIRelated: It made the succession a central conflict near the end of Ferdinand’s reign.