Final answer:
The Reconquista was a true blend of military and religious endeavors, as the Spanish sought to reclaim the Iberian Peninsula from Muslim rule and spread Christianity.
Step-by-step explanation:
The statement that reconquering the Iberian Peninsula was both a military and religious action for the Spanish is true.
This effort, known as the Reconquista, spanned several centuries, aiming to reclaim land from Muslim rule.
It was driven by a desire not only to extend political control but also to spread Christianity. Hence, the Reconquista was characterized by its dual nature of military campaigns supported by religious motivations.