Roman Christianity's organization was based on bishops' and archbishops' control of territorial units called diocese. The word diocese comes from a Greek word which means 'administration'. In the Middle Ages, some bishops even held political power aside from their religious power. A diocese is further divided into parishes which fall under the management of priests.
They didn't. They would recycle materials and make new buildings out of old ones or change the purpose of a building to a new one. They would also heavily use wood in building houses and things like that because it was available and was not that difficult to manage unlike stone.
A volcanic eruption or extreme flooding.
This was related to the broader goal of "JOB CREATION". Due to this, the national endowment for the arts and the public broadcasting system were established and this is to allocate more jobs and funds to those talented artists. Hope this answer helps.
