Why would the united states be interested in what happened in cuba?

It depends on the timeline.

Explanation:

I think you're referring to the cold war. If so the United States would be within range of soviet nuclear missiles that would obliterate millions of citizens ergo starting the 13 day Cuban missile crisis.

your answer is a hope this

answer

the speaker of ,’i want politician to make more of an effort for lgbt rights’, will be served well by joining an interest group.

explanation

an interest group is one that aims at influencing public policy on reasons derived by a common interest .in this case, lgbt rights are rights for the gay society which is a special group of individuals with specific interest concerning their relationship with other individuals. hope this !