Mounted Tourist-Police officers in Petra, Jordan. A police officer (also known as a policeman or police agent in some forces, particularly in the United Kingdom and other Commonwealth nations) is a warranted law employee of a police force.olice officers in nearly all countries retain their lawful powers while off duty. In the majority of Western legal systems, the major role of the police is to maintain order, keeping the peace through surveillance of the public, and the subsequent reporting and apprehension of suspected violators of the law.
The development of democracy in England. Juries and common law - Williams successor was King Henry, considered to be one of the most gifted statesmen of the 12th century. - King Henry developed Jury Trial as a means of administering royal justice. - This included the judge and jury of peers in the judicial process.
The influence of Roman law on western civilisation begun with the rediscovery of the Corpus Juris Civilis (Body of Civil Law) in a â¦ library in Pisa in 1070. The Corpus Juris Civilis was a collection of books commissioned by the emperor Justinian I (or the Great, reigned 527-565).n this estimate,  Judaism might well have had an important influence on Western  civilisation even if Christianity had never arisen. It seems likely  that many of these Jewish converts, or their descendants,  subsequently became Christians, giving Christianity a good start in  the gentile world.