Final answer:
Shah Abbas I relocated his capital to Isfahan for economic development and trade, as well as a strategic advantage away from the Ottomans and Uzbeks.
Step-by-step explanation:
When Shah Abbas I, a Safavid dynasty ruler, decided to move the capital of his empire from Qazvin to Isfahan in the late 16th century, he did so for several reasons. One major reason was to foster economic development and trade. Isfahan's location, closer to the Persian Gulf and the newly arrived traders from the British and Dutch East India Companies, provided better opportunities for trade.