Answer:
B: To divide a state into new political districts after changes in population.
Step-by-step explanation:
The Constitution of United States establishes that congressional redistricting would occur after every ten years.
It is the process of creating new congressional districts or re-examining existing districts with change in population after a certain period of time.
This process, often called reapportionment, has been established to divide a state into new political districts after changes in population every ten years.