Final answer:
The splendors of Baghdad helped the message of Islam spread through its cosmopolitan nature, the establishment of the House of Wisdom and the translation movement, and the city's wealth and influence.
Step-by-step explanation:
The splendors of Baghdad helped the message of Islam spread in several ways. First, the cosmopolitan nature of the city attracted people from different cultures and backgrounds, allowing for the exchange of ideas and the promotion of religious tolerance. Second, the establishment of the House of Wisdom and the translation movement in Baghdad facilitated the translation of ancient Greek and Persian texts into Arabic, allowing Muslims to gain access to knowledge from various fields, including science, philosophy, and medicine. Third, the wealth and influence of Baghdad attracted merchants and travelers from distant regions, spreading Islamic ideas and practices to new areas.