students from many s1chool held a mass,___ to protest the rampant coruption and demanded the corruptors in thay institution to be arrested

Kelas: SMA
Pelajaran: English
Kategori: vocabulary
Pembahasan: 

Students from many schools held a mass demonstration/ strike to protest the rampant corruption and demanded the corruptors in that institution to be arrested. 

The best answer can be demonstration/ strike as those words are suitable for the context, about protesting other party in public.