What do John Astor, John D. Rockefeller and Bill Gates have in common?
The answer is not: Men, or that they were all at one time the wealthiest men in the US.
It strikes me that this essay question is asking for a discussion of factors that were common among these three mega-successful individuals. As part of a discussion of those common elements, I'd think you'll want to explore how those bonds influenced each person and contributed to each success.
Key to a proper analysis of and discussion of this question is a coherent and accurate identification of the bonds ...
The solution suggests and approach to find the bonds including a list of factors to research about each person.