Pros are that it’s a very self sufficient system of growing, made land management easier, it allowed for simplistic chain of command.
Cons are that it was easy to abuse the power given, the kings could raise taxes whenever they wanted, and you couldn’t marry someone from another social ranking
Providing income for transportation
It should be the first choice since the Naragansett and Monhegan tribe allied with the Massachusetts Bay and Plymouth colonies to fight against the Pequot tribe. Hope this helps and let me know if I'm wrong.