Math and English probably I don't quite understand ur question but I hope this helped
The correct answer to this open question is the following.
Superimposed boundaries caused ethnic conflict in the Belgian Congo, now present-day, Democratic Republic of Congo because people from the many tribes were forced to live with other people that had different cultural grounds and belief systems.
These superimposed boundaries in Congo force people to mix with other ethnicities and the experiment failed, causing upheaval and conflicts. People started to confront for different reasons: power, control, the use of limited raw materials and natural resources, political positions, and more.
The boundaries were imposed by European superpowers when they colonized this region and ignored the culture, history, customs, and traditions of the tribes.
I'd say A. after a volcanic eruption because mudflows occur mostly on steep slopes where there's little to no prevention of rapid erosion.
Bob is just a human like us and feels stuff, its probaly due to his environment and pressures/stress but heck who really knows. Bob is Bob. and that is that.
writing a poem about someone who has died