Were the settlements in the New England colonies Royal or
Proprietary colonies?

The colonies of New York, New Jersey, North Carolina, and South Carolina began as proprietary colonies, but later became royal colonies. By 1763 most colonies surrendered their charters to the Crown and became Royal Colonies. Maryland, Delaware, and Pennsylvania remained proprietary colonies under a charter.

the answer to your question is a. the salt plains

in 1811, he led an expedition, known as the george c. sibley expedition, to improve relations with the pawnee and kansa tribes, and also to locate the rumored jefferson's salt mountain

i am not 100% positive but i think it is is b. both are non-partisan jobs

i am pretty sure that members of congress have term limits, can be impeached, and are nominated through direct popular vote.