Robuta

https://www.answers.com/american-government/Was_the_Mayflower_Compact_the_first_written_constitution_in_America
Some would say so, but it was a social contract that did not lay out any actual laws, like the US Constitution does.
mayflower compactwritten constitutionfirstamerica
https://www.adda247.com/question-answer/the-constitution-of-this-country-is-considered-as-the-first-written-and-smallest-constitution-in-the-world/q.v1.b29ac7d6-8d78-4aae-b3d6-6604241b6879-en
The United States is the country with the world's first written and the shortest constitution."
constitutioncountryconsideredfirst