When Was the Idea of National Health Care Insurance First

When was the idea of national health care insurance first debated in the United States?

A) Clinton's 1992 presidential campaign as he attempted to achieve such a plan
B) During President Johnson's administration when Medicare and Medicaid were instituted in the 1960s
C) President Franklin Roosevelt's attempt to include health insurance in Social Security legislation in the 1930s
D) President Theodore Roosevelt advocated such national medical coverage in 1916