 Complete the following phrase:  On 10 May 1916 he was promoted to brigadier general, and on 15 August he took command of the 18th Infantry Brigade. After Romania entered World War I on the side of the Allies on 27 August, Mărdărescu was appointed Chief of Staff of the 3rd Army and then the 2nd Army. Under the command of General Alexandru Averescu, he helped coordinate the 