The term refers to a substantial number of individuals who engage in organized, sustained activity in order to bring about some social change or to oppose some social change and who, to some degree, utilize noninstitutionalized forms of political action.

Social movement

Explanation:

Social movement refers to the gathering of people who are engaged or involved in organized activities and make sustained and organized efforts in order to show their support to social change or their opposition in order to show their resistance to some change in the society in the long term.

It sometimes make use of non institutionalized political action upto some extent.

the fourth amendment protects:

"the right of the people to be secure in their persons, houses, papers, and effects, against unreasonable searches and seizures, shall not be violated, and no warrants shall issue, but upon probable cause, supported by oath or affirmation, and particularly describing the place to be searched, and the persons or things to be seized."  

so this would mean the denial to search and seizure without warrant or permission.

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