In case there was no agreement on his successor, what did Qaboos do?
"Organized a Public Vote"
"Declared a State of Emergency"
"Declared his Best Friend as Heir"
"Hid a Letter Naming His Successor
Answer
In case there was no agreement on his successor, Qaboos hid a letter naming his successor, which was discovered and opened after his death. This led to the current sultan, Haitham bin Tariq, taking the throne.
Sultan Qaboos bin Said: The Legacy of Oman's Visionary Leader