In French the friendliest greeting would be Bonjour!
Anything else could be taken as informal or rude the first time you meet someone.
The nation that maintained the friendliest relations with the native Americans was the french.
french
NICE
salutations
nounsalutationsvœuxsouhaits
salutation
French
I'm pretty sure it was the Native American
The french, they respected the Native Americans and did trading.
Hello - Bonjour
Salutations
Joyeux anniversaire