GENERAL KNOWLEDGE

Detailed explanation-1: -Mercenaries are foreign soldiers serving for pay. In desperate need of soldiers to help with the invasions, Rome hired mercenaries to defend its borders. According to some historians, many were Germanic warriors who did not feel loyalty to Rome.

Detailed explanation-2: -mercenary, hired professional soldier who fights for any state or nation without regard to political interests or issues. From the earliest days of organized warfare until the development of political standing armies in the mid-17th century, governments frequently supplemented their military forces with mercenaries.

Detailed explanation-3: -A Roman soldier was called a legionary because the army was divided into large units called legions. For training and fighting, each legion was split into smaller groups, called centuries, of 80 men each. Their commanders were centurions.

Detailed explanation-4: -As future Emperors would discover, while soldiers were loyal to their emperor, this loyalty was nothing compared to the loyalty felt by many legions to their commanders. Holding the monopoly on force that underpinned empire and emperor, the army was always politically important.