He does not just happen to attend; he was the first one to receive a personal invite from Gatsby's butler. After that, he begins to form a friendship with Gatsby and goes to his parties regularly. Hope that helps :/
Are you asking whether this is true? yes, this is true, at least to some extend! if they had different views, they would belong to a different party.
In practice, it's impossible to hold similar views on ALL issues, but what distinguishes a party is a certain view on some issues: and then people can join this party if they agree with this view.
The basic inquiry that Rousseau looks to address in The Social Contract is on how is a strategy for partner to be discovered which will guard and secure utilizing the energy of all the individual and property of every part and still empower every individual from the gathering to obey just himself and to stay as free as earlier?" This inquiry may be revamped as taken after; how is an arrangement of reliance on each other to be set up while every individual part protects his own particular flexibility? This is a well-established inquiry in which we attempt and figure out how to build up authentic political specialist where a state can exist that keeps up, as opposed to compels, opportunity.
Plant tobaco is the answer
The answer is C hope this helps