Who was granted unprecedented imperium in Spain?

Scipio Africanus was granted unprecedented imperium in Spain due to his significant military achievements during the Second Punic War. He is best known for his leadership in the battle against Hannibal, where he showcased exceptional strategic and tactical skills. Scipio's victories in various engagements, including the decisive Battle of Zama, not only bolstered Roman control over substantial parts of Hispania but also solidified his reputation as a prominent military leader.

The extraordinary authority or imperium conferred upon him was a reflection of the Roman Senate's confidence in his abilities to manage military operations and governance in a region critical to Rome’s expansion. This level of imperium allowed him to make key decisions in foreign affairs and military campaigns, laying the foundation for future Roman dominion in the Iberian Peninsula. His leadership ultimately facilitated the establishment of Roman provinces in Spain, marking a pivotal moment in Roman history.