social movement
US /ˈsoʊʃl ˈmuːvmənt/
UK /ˈsoʊʃl ˈmuːvmənt/

1.
sociale beweging
a loosely organized effort by a large group of people to achieve a particular goal, typically a social or political one
:
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The civil rights social movement transformed American society.
De burgerrechten sociale beweging transformeerde de Amerikaanse samenleving.
•
Environmental protection is a growing social movement worldwide.
Milieubescherming is een groeiende sociale beweging wereldwijd.