 Complete the following phrase:  In August 1916, upon Romanias entry into World War I, Samsonovici was advanced to lieutet colonel and made and made chief of staff of an infantry division. As such, he coordinated offensive and defensive moves around Ghimeș, Brețcu, Târgu Secuiesc, Miercurea Ciuc, Vlăhița and Odorheiu Secuiesc. He was also active on the Trotuș and Uz valleys; after two weeks of heavy fighting, the Austro-Hungarian Army was prevented from taking Comănești, Dărmănești and Bacău, withdrawing into a defensive posture. Finally, he was active along the Cricovul Sărat line. For his merits, Samsonovici was made a colonel in April 1917. As a staff officer, he played an important role in the 