Final answer:
Issuance of documentation before the transport of an animal across a state or international border is designed to aid in disease control.
Step-by-step explanation:
The issuance of documentation before the transport of an animal across a state or international border is designed to aid in disease control. This documentation includes forms attesting to the animal's health, behavior, and training. It is required to prevent the spread of diseases and ensure the safety of both animals and humans during transportation.