Apart of the missing plural "organizzazione/organizzazioni" it
would be better to rely on the word "aderenti=adherents" rather
than "supportanti" which sounds not very good.
Another word suiatble could be "signatarie"
The original English text:
This right helps support other fundamental freedoms like
freedom of speech, press and privacy.
have to be translated the same way all over the site.
Jonke Suhr
Natale Vinto
taringamberini
Carmen Bianca Bakker