Final answer:
The most likely outcome of the decline stage of a social movement is that it loses momentum and fades away.
Step-by-step explanation:
In the decline stage of a social movement, the most likely outcome is that the movement loses momentum and eventually fades away. This can happen due to various factors such as achieving their goals, lack of public support, internal conflicts, or government repression. An example of a social movement that declined is the Civil Rights Movement in the United States, which made significant progress in achieving civil rights for African Americans but gradually declined after the passage of major civil rights legislation in the mid-1960s.
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