Option b is the correct answer. Humayun laid the foundation of Mughal painting. He welcomed Persian artists Mir Sayyid Ali and Abdus Samad to establish a court studio, known as Nigaar Khana, where royal artworks were created. Humayun's support led to the commencement of the Hamza Nama illustration project, continued by his son Akbar. The Hamzanama or Dastan-eAmir Hamza narrates the story of the adventures of Amir Hamza, the uncle of the Prophet Muhammad. Humayun patronized diverse themes, including open-air scenes with trees, marking the beginning of Mughal artistic legacy.