Across-sectional study by ursula staudinger found that for adults from 55 to 65 years of age, became most important in terms of personal investment.

"Family" became most important in terms of personal investment.

A cross-sectional examination by Ursula Staudinger evaluated the individual life speculations of 25-to 105-year-olds. From 25 to 34 years old, members said that they actually put additional time in work, companions, family, and autonomy, in a specific order. From 35 to 54 and 55 to 65 years old, family turned out to be more critical than companions to them as far as their own speculation. Minimal changed in the rank requesting of people 70 to 84 years of age, however for members 85 to 105 years of age, health turned into the most essential individual speculation. Contemplating life appeared out of the blue on the most imperative rundown for the individuals who were 85 to 105 years of age. 

Ibelieve the answer is  battle of saratoga but i could be wrong