Is a economy relying on one major export or natural resource to bring most of the currency into the country
        
                    
             
        
        
        
Answer:
B. within a country's borders by citizens and by nonminuscitizens minus the production abroad by the country's citizens
Explanation:
To justify the answer, I make a quotation from the bank of the republic of Colombia web page that provided the definition of GDP  "The GDP is the total of goods and services produced in a country during a given period of time. it includes the production generated by nationals resident in the country and by foreigners resident in the country, and excludes the production of nationals resident abroad" the previous definition is exactly how GDP works. 
 
        
             
        
        
        
Shaping.
This question has only a one word answer and i hope it helps.
 
        
             
        
        
        
Answer: School Museums
Explanation: In 20th century, new instructional media appear for the first time and it fits in the context of school museums. It should be noted that the instruction media didn't fits in the contexts of Classrooms in K-12 schools, Science classes and In higher education institutes.
 
        
             
        
        
        
The answer is secret service