 Complete the following phrase:  Despite the armor being commonly associated with the Romans, the armor was used by other civilizations before the Romans. The armor was originally used by the Parthians and possibly the Dacians, Scythians, or Sarmatians before the Romans used it. Some sets of armor similar to the lorica segmentata dating back to the 4th century BC have been found in archaeological sites located in the steppe. The Dendra Cuirass is a set of armor similar to the lorica segmentata that has been dated back to the 15th century BC. The armor was first used in the early 1st century. Although, the exact time in which the Romans adopted the armor remains unknown. Some say it was after Crassus defeat at Carrhae in 53 BC. Others say the armor was adopted in 21 AD after the Revolt of Julius Sacrovir and Julius Florus. One form of the armor was used as early as 9 BC. Because the soldiers at the 