B!! Currently in us history and we learning about a lot right now . Definitely not the mayflower compact
The lord propietors, even tough the kind had full sovereignty over Carolina, were given some Powers to ensure to collect taxes and duties, establish civil structures and to keep order, also they could own some mineral field, they were avalaible to have some independent at some point.
The goverment of these colonies consisted in: A governor, a council and a populary elected assembly.
The goverments under propietary rule were similarly organized, the best know difference was who appointed the governing oficial, in these case could be the Lords Proprietors or the sovereign.