Based on the map, which of the following can be identified as a true statement about Northern Ireland?
answer choices
O It is united with the rest of the island to form a sovereign nation-state.
O It forms its own sovereign nation-state predominately made up of the Irish ethnic group.
O It is a frontier that is not formally part of a state, but the United Kingdom claims the area.
O It is physically separate from the rest of the United Kingdom, a multinational state.
O It is a stateless nation, as the entire island of Ireland is under the control of the United Kingdom.