Simplify the following text for a Grade 9 native English-speaking person.
Original: Today , the Canons of Dort form part of the Three Forms of Unity , one of the confessional standards of many of the Reformed churches around the world , including the Netherlands , South Africa , Australia , and North America .
Simplified: Today , the Canons of Dort are part of the Three Forms of Unity , which is one of the confession standards of many of the Reformed churches around the world .