Who is Guardia Civil from Iberia: Spanish Travels and Reflections and what is their importance?

Guardia Civil guards would travel in pairs throughout Spain. They knew everyone in their respected area and everything that was going on. Spaniards believe that it would be impossible to live in Spain without them because of the protection that they provide. They were given the name, La Benemerita, similar to the name of New York's Police Department or New York's Finest.