North American.
North Atlantic is the proper adjective for North Atlantic. For instance: North Atlantic fisheries are expected to rebound.
South America is a proper noun due to it being the name of a place.
Egyptian is the proper adjective for Egypt.
North Carolinian
South American is the proper adjective meaning from South America. For instance, South American vaqueros have a lot in common with North American cowboys.
The proper adjective is American, describing the noun 'literature' as 'of America'.
Yes, "Native American" is a proper adjective for indigenous peoples of America.
The word Cherokee as an adjective is a proper adjective; an adjective derived from a proper noun.
The proper adjective is "American," derived from the proper noun "America."
The proper adjective for the proper noun "Carolina" depends on which specific region or state you are referring to. For example, "North Carolina" would have the proper adjective "North Carolinian," while "South Carolina" would have the proper adjective "South Carolinian." These proper adjectives are used to describe people or things related to the respective regions or states of Carolina.
The adjective form of America is American. The word American can also be a noun (demonym).
The proper adjective of Australia is "Australian." It's not rocket science, honey. Just add an "-ian" to the end of the country's name and voilà, you've got yourself a fancy new adjective. Now go forth and impress people with your newfound knowledge.