Only if potential harm will happen
The correct answer is letter B. The method of ranking social status that asks people to rank themselves is called subjective method. This is where people are asked to rate themselves and their current status in society. This is a common practice used in surveys performed by many governments around the world.
I belive the answer is maintained
Even though Many scientific movements started to arise during the Renaissance period, most European families that lived in this period still give their children deep education in religion. The tradition is carried out even until today (more than 70% of European population are Christian)