An increase in leisure time of most American workers.
to tell stories with morals
The answer to this question is old people= democrats<span>
The baby boomers grew up in period of prosper. Therefore, the majority of them held social justice as their main core of politic (which is the main focus of democratic party during that time)
As they grow older, this political preference remain the same and cause a lot of old people start to shifted to democrats</span>