What was the first constitution in the new world?

The first constitution believe it or not was made in Medina, Saudi Arabia by the Prophet Muhammed (SAW)
There are many records of ancient written law (dating back to 2300 BC). However, historians agree that Agreements and Constitutions of Laws and Freedoms of the Zaporizian Host, written in 1710, is the earliest constitution that satisfies our modern understanding the the Word.

So, the Zaporozhian-Ukrainian Republic was the first country in the world to have a written constitution.