The abolitionist movement that fought to end slavery was successful. It advocated to end slavery and congress heeded passing the 13th amendment that abolished any kind of slavery. The black panther that fought to end police brutality failed because some members engaged in illegal activities therefore it was seen as a threat to national security. Also, the use of violence to seek reforms created conflict with law enforcers and endangered lives, therefore it was dismantled by the FBI.
During a pandemic like COVID 19 a social movement would be successful through non-violent mobilization on digital platforms