Final answer:
The group that was mostly comprised of members belonging to the Anglican Church was the Loyalists. Loyalists accounted for about one-third of the American population and were often members of the Anglican Church. They saw the revolution as a threat to their rights and supported the royal government during the war.
Step-by-step explanation:
The group that was mostly comprised of members belonging to the Anglican Church was the Loyalists. According to the provided information, loyalists accounted for about one-third of the American population and were often members of the Anglican Church.
They tended to live in urban centers, especially the port cities. Loyalists saw the revolution as a threat to their personal political, social, and economic rights and opted to support the royal government during the war.