I can't imagine what A and B would contribute to life expectancy.
C is a bit of a different choice. It would, I think, decrease the life expectancy of the general population depending on which country is allowed to come into America.
The best answer to an increased life expectancy would be D. It is certainly true.
D <<<<< Answer
Don't know all but 11. the fourth president is James Madison, I think 21, is Voltaire, sorry don't know more but look it up, it helped me
In order for the supreme court to grant certiorari agreement has to be reached by at least 4 justices
The main reason why there was a massive immigration towards the Sun Belt was because it was unoccupied relatively to the other areas of the US, this meant that new servrices and industries could be developed for the young and flourishing naiton.