Is It a Mistake to Have an Armed Police Force?

In the iseland after independence, one of the things the independence movement had done was to fight the royal irish constabulary. And so they decided that they would create a police force called the garne ichino whose members would not carry guns. But nevertheless, if you look at t the every patrolling am and legitimacy thing, thas happened in ireland between 19 20, patrolled by an armed police force,. up through to the 19 thirties, largely by a disarmed police force. Write pruscela on insam wants to know where do the nicknames bobby and copper come from?