<prompt> Pedzisa mutsara unotevera: 2 CERs lineage is formally traced to 4th Field Company 4 Fd Coy Royal Australian Engineers, which was raised in the early stages of World War I. Yakatumidzwa zita rekuti 7th Field Company 7 Fd Coy muna 1915, chikwata ichi chaive chakakurumbira nekuda kwebasa rayo muFrance neBelgium muhondo yeSomme, Menin Road uye paHindenburg Line. Mukati meHondo yeNyika II, 7 Fd Coy vakarwa navaJapan pa  <response>: Kokoda uye paBougainville. 