The lowest requirement that allows a police officer to legally arrest a suspect is

 The correct answer is : It's called a Presence Requirement. For the arrest to be valid, the misdemeanor must occur in the presence of an officer.

Explanation:  An arrest occurs when a police officer takes a person into custody or the person is deprived of liberty for having committed a criminal offense. The officer can make the arrest when: he has personally observed the crime, when he has probable cause that makes him believe that the arrested person committed a crime and when the officer has an arrest warrant issued by a judge.

1. it was caused by feudalism

2. charlemagne used christianity as a major cornerstone for his rule. cloisters were built all over the empire to act as centers for the (re)population of the vast european wilderness.

3. the europeans feared the next raid every time chetak

i'm not so sure about #6. but i hope i you with the first 3.

profound political, administrative, and social changes in the british isles.