**A. To unite all Arab countries under a single Pan-Arab state **
After WWII, as western nations were gaining power, many Islamic leaders believed it would be better and they would be strong if all of the Arab states were united.
A ;
The Arab League was formed in 1945 primarily to unite Arab countries and foster cooperation among them, making option A the best choice. Leaders like Gamal Abdel Nasser desired a Pan-Arab identity, especially in response to post-war dynamics and the establishment of Israel. The League aimed to address common challenges faced by Arab nations.
;