Answer:
El Salvador
Explanation:
While the majority of the republics have both the Caribbean and a Pacific coast, Belize only has a Caribbean coast and El Salvador only has a Pacific coast. Central America comprises the countries south of Mexico and up to Panama.
I think its A. small contained climates that differ from areas surrounding them
hope this helps XD
Different perceptions of a region can make that region less defined is true im not a 100% sure tho