MULTIPULE CHOICE QUESTION Northern Ireland and Ireland have been in conflict with each other for many years. The source of this conflict is mostly caused by?
A. religion and nationality
B. money and religion
C. nationality and money
D. nationality and HDI factors

Answer steam fog;

Answer accretion;

The answer is c, i, iii, and iv. this is because farming and mining deal with harvesting raw materials, construction work falls under manufacturing, and piloting a plane is a service. ii is wrong because making bread is using  raw materials to produce goods, which would fall under the secondary sector, not primary.