 Jaber Al Safa credited the Ottoman state with losing people's support because of the harsh measures it implemented regarding conscription and, before that, its suppression of Arabic as an official and administrative language and related Turkification policies brought forth by the Committee of Union and Progress.Jaber, as part of the "Amili Trio", lobbied for Lebanon's union with Syria and opposed the French Mandate in Lebanon (he was briefly arrested by the French authorities for subversive activities but was released following widespread protests in Nabatiye in his support), remaining a supporter of pan-Arab unity until his death in 1945.He wrote ""Tārīkh Jabal `Amil"", or ""The History of Jabal `Amil"", which is used as a main reference on the history of the Levant and Lebanon, and Jabal Amel in particular.