What did Lyndon Johnson support to provide for the needs of the poor and elderly?

The answer to the above statement is:

Medicare and Medicaid

Explanation:

Medicare and health care are 2 separate, government-run programs that were created in 1965 in response to the lack of older and lower-income Americans to shop for personal insurance.

They were a part of President Lyndon Johnson’s "Great Society" vision of a general social commitment to meeting individual social, economic, and health care desires. health care and health care are social welfare programs that permit the monetary burdens of health problem to be shared among healthy and sick people, and affluent and lower-income families.

Medicare and Medicaid (K12 answer)