Answer:
(A). To change the system so that it affords the peasant the least disadvantage.
Explanation:
Nationality is basically restricted to the constitute states (England, Wales, Northern Ireland, Scotland) and can also include a common, British nationality. It is more determined by where someone was born and raised.
Ethnicity can encompass background from other continents: for example, British English, Jamaican English - Ethnicity reflects people's family backgrounds