Migration is seasonal movement of animals from one region to another. A nomad is someone who has no personal home, and they travel from place to place for a variety of factors like crops and fresh pasture for livestock.
Hope this helps you create sentences.
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
D) that this difference in treatment should stop now
i think they did use them
