The Geneva Conventions of 1949 and their additional protocols primarily aimed to protect individuals during armed conflicts and safeguard human rights. Out of the options provided, the most accurate statement regarding their impact on world challenges is:
They provide a framework for safeguarding human rights during times of national and international conflict.
This response encapsulates the core purpose of the Geneva Conventions, which is to establish standards for humanitarian treatment in warfare, emphasizing the protection of those who are not participating in hostilities, including civilians, medical personnel, and prisoners of war. While the conventions indirectly contribute to public health and may influence peace efforts, their primary focus is on human rights protections in the context of armed conflict.