
Here's a complex question that requires someone to reason about the input, can you answer it?
Mansur al-Atrash, was a Syrian politician and journalist, during the period of the United Arab Republic (1958–61), Atrash became a strong supporter of Egyptian president and which pan-Arab leader, who was the second President of Egypt, serving from 1956 until his death?


Gamal Abdel Nasser Hussein
