Linked from
The 7 pages that link to Saudi unification, each with the reason it gives.
House of SaudRelated: Unification converted the family’s restored dominion into a single kingdom.
IkhwanNarrower topic: The Ikhwan’s campaigns helped bring much of central Arabia under Saudi rule.
Hail ProvinceRelated: The modern province emerged within the kingdom formed through this process.
Najran ProvinceRelated: Najran became part of the modern Saudi state during the kingdom’s formation.