Problem: Historical Overview Early 20th Century: Health care was primarily private and limited to urban areas. The government began to take a more active role in public health, especially after the Mexican Revolution (1910-1920). 1943: The establishment of the Mexican Social Security Institute (IMSS) marked a significant shift, providing health services to workers and their families. This was part of a broader effort to improve social welfare. 1970s-1980s: The government expanded health care access through the creation of the Ministry of Health and various public health programs. However, disparities remained between urban and rural areas. 1990s: Economic crises led to reforms aimed at privatizing parts of the health care system. The introduction of the Universal Health Insurance System in 2003 aimed to provide coverage to the uninsured. Need Assignment Help?