Final answer:
The increase in federal government involvement in local public health activities can be attributed to factors such as the emergence of new infectious diseases, increased awareness of health disparities, advances in healthcare technology, and growing recognition of the interconnectedness of public health.
Step-by-step explanation:
The substantial increase in federal government involvement in local public health activities can be explained by multiple developments:
- Emergence of new infectious diseases: The rise of new diseases like HIV/AIDS, SARS, and Ebola has highlighted the need for a coordinated national response to address these public health threats.
- Increased awareness of health disparities: The understanding that certain communities face disproportionate health challenges has led to a call for federal intervention to ensure equity in access to healthcare services and resources.
- Advances in healthcare technology: Technological advancements have increased the complexity of healthcare delivery and necessitate federal oversight and support to ensure proper implementation and regulation.
- Growing recognition of the interconnectedness of public health: Issues related to public health, such as disease outbreaks, environmental pollution, and health emergencies, do not recognize geographical boundaries. As such, federal government involvement is necessary to address these issues effectively and protect the entire population.