Answer:
I can give an answer for 3
The soldiers stayed for a multitude of reasons one main reason soldiers stayed is because they loved their country and would not abandon it in time if need. Another reason for staying is because if they left they would be thought of as cowards.
An agreement among members of a society to cooperate for social benefits
Answer:
Consumers participate in, help guide and are ultimately some of the benefactors of the invisible hand of the market. Through competition for scarce resources, consumers indirectly inform producers about what goods and services to provide and in what quantity they should be provided.
To honor agreements made with enemies, to not mutilate dead bodies, and to not harm women, children, old ppl, or civilians