Final answer:
The 4 international agreements dealing with the treatment of POWs are known as the Geneva Conventions. These conventions aim to protect civilians and prisoners of war during military conflicts.
Step-by-step explanation:
The 4 international agreements that were written at the same time dealing with the treatment of POWs are known as the Geneva Conventions. These conventions were signed by all UN member states and codify international humanitarian law. They aim to protect civilians and prisoners of war during military conflicts. The fourth convention also establishes a legal definition of war crimes.