E is the correct answer.
The distribution of ethnic groups in former Yugoslavia allowed for strong ethnic/subnational identifies to emerge.
The downside is that this then caused war.
Answer:
I am pretty sure is No pls comment if I got this wrong.
The workers are specialized if they perform only smaller tasks and if they become better and better at these tasks - "specialists". This means that the whole process is divided into smaller takss that the workers can specialize in.
Therefore the correct answer is
D. dividing labor into smaller specific tasks