Washington enjoyed less than three years of retirement at Mount Vernon, for he died of a throat infection December 14, 1799. For months the Nation mourned him.

Which provides the best objective summary of this excerpt?

Washington developed a throat infection and died in 1799, less than three years after he retired at Mount Vernon.
Washington enjoyed less than three years of retirement at Mount Vernon before he died of a throat infection.
Washington spent his retirement at Mount Vernon. However, this retirement lasted less than three years. Washington developed a throat infection that caused his death on December 14, 1799. The people of America grieved his loss for many months.
Washington was unlucky and developed a throat infection after his retirement. He died on December 14, 1799. I think his disappointment with politics caused him to get sick.