Problem: Constantine the Great, who along with Licinius had decreed toleration of Christianity in the Roman Empire by what is commonly called the "Edict of Milan", and was the first Roman Emperor baptized, set precedents for later policy. By Roman law the Emperor was Pontifex Maximus, the high priest of the College of Pontiffs (Collegium Pontificum) of all recognized religions in ancient Rome. To put an end to the doctrinal debate initiated by Arius, Constantine called the first of what would afterwards be called the ecumenical councils and then enforced orthodoxy by Imperial authority.
What council was first held by Arius?
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Answer: unanswerable

Problem: Studies of this kind outside of Europe are even rarer, so it is difficult to make generalizations, but one small-scale study that compared transnational police information and intelligence sharing practices at specific cross-border locations in North America and Europe confirmed that low visibility of police information and intelligence sharing was a common feature (Alain, 2001). Intelligence-led policing is now common practice in most advanced countries (Ratcliffe, 2007) and it is likely that police intelligence sharing and information exchange has a common morphology around the world (Ratcliffe, 2007). James Sheptycki has analyzed the effects of the new information technologies on the organization of policing-intelligence and suggests that a number of 'organizational pathologies' have arisen that make the functioning of security-intelligence processes in transnational policing deeply problematic. He argues that transnational police information circuits help to "compose the panic scenes of the security-control society". The paradoxical effect is that, the harder policing agencies work to produce security, the greater are feelings of insecurity.
What kind of policing has become common practice?
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Answer: Intelligence-led

Problem: On 22 May 2015, Sun reporter Anthony France was found guilty of aiding and abetting misconduct in a public office between 2008 and 2011. France's trial followed the London Metropolitan Police's Operation Elveden, an ongoing investigation into alleged payments to police and officials in exchange for information. He had paid a total of more than 22,000 to PC Timothy Edwards, an anti-terrorism police officer based at Heathrow Airport. The police officer had already pleaded guilty to misconduct in a public office and given a two-year gaol sentence in 2014, but the jury in France's trial was not informed of this. Following the passing of the guilty verdict, the officer leading Operation Elveden, Detective Chief Superintendent Gordon Briggs said France and Edwards had been in a "long-term, corrupt relationship".
Who was the policeman leading Operation Elveden?
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Answer:
Detective Chief Superintendent Gordon Briggs