The correct answer is B) establishing Medicare and Medicaid.
A major achievement of Lyndon Johnson’s War on Poverty was "establishing of Medicare and Medicaid."
One of the priorities of President Lyndon B. Johnston was to declare war on poverty. That is what he mentioned as part of his state of the union address in 1964. His idea was to create the kind of legislation that could prevent poverty, and increase health services, protect the ones in need and also help Americans with job training.