According to this article, why does "the fate of the aliens [remain] up in the air"?

What were the 2 main elements as a result of the treaty?

Considering the case of the two health clinics above, why do you think that trouble was brewing? there was serious competition for tech jobs at the downtown clinic. the new technology at the uptown clinic was too difficult for the staff to understand. the doctors pitted the staff of one clinic against the staff at other clinic. the staff at the downtown clinic saw that their colleagues at the uptown clinic were treated better and had more opportunity.

What did the puritans form to establish their own new world colony?