Complex sentence: Syrians reacted with violent demonstrations, and with the formation of a new government under Hashim al-Atassi on May 7,1920, which organized general conscription and began financing an army.
Split into simpler sentences: Syrians reacted with violent demonstrations, and with the formation of a new government under Hashim al-Atassi on May 7,1920. The new government organized general conscription and began financing an army.