Pisa sided with the Normans in Sicily and profits from its new commercial empire in the western Mediterranean paid for its magnificent cathedral, baptistery, and campanile (today's Leaning Tower).
Pisa and the Normans were wealthy.
mnli hypothesis: Pisa and the Normans were wealthy. premise: Pisa sided with the Normans in Sicily and profits from its new commercial empire in the western Mediterranean paid for its magnificent cathedral, baptistery, and campanile (today's Leaning Tower).