Which of the following can be considered a cause of the Islamic golden age?

1. The geographic centrality of the Muslim world in the international trade network of the silk roads
2. The development of the Arabic language
3. All of the above
4. None of the above

3. All of the above

Both the geographic centrality of the Muslim world in the international trade network of the silk roads and the development of the Arabic language played significant roles in the flourishing of the Islamic golden age. The strategic location of the Muslim world allowed for the exchange of goods, ideas, and knowledge, contributing to cultural and intellectual growth. The development of the Arabic language as a language of culture, science, and administration also facilitated communication and the translation of works from various ancient civilizations, further fostering advancements in various fields during this period.