The program that was created as a part of the "Great Society", provides hospital insurance for Americans age 65 or older is Medicare.
The main reason was the South wanted to preserve slavery. The North wanted to abolish it. If you want some other reasons than slavery, let me know, and I will do my best to add more to this answer.
None of the options here properly define the Second New Deal, which focused primarily on social welfare programs such as Social Security. However, it did include providing electricity to rural areas, so that's the best answer. This was not it's primary goal.
