According to teachings of confucius , society works best if?

A leader respects and treats his/her citizens, is tolerant of all religions, and treats the citizens like family.

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.