Answer:
Functional Fixedness
Explanation:
Functional fixity is a herd mentality that prevents an individual from using an item except in the manner that it is usually used, it is an inability to see new uses for a common object. 
 Jean-Claude wanted to make coffee but because he was out of coffee filters, he settled for tea,Jean-Claude's failure to realize he could use a paper towel as a coffee filter best illustrates FUNCTIONAL FIXEDNESS , he thinks paper towel is only meant for the normal traditional/standard purpose, he failed to recognize he can use it as a substitute for other purposes.
Functional Fixedness is a mental barrier against the use of an idea in a new way essential to solve a problem.
 
        
             
        
        
        
The answer to this question is <span>specialties. 
Companies with effective specialties will always become the go to place for the market for a product within a certain niche.
For example, despite of its various form of products, Coca cola's specialty has always been its soda beverages ever since the company was established.</span>
        
             
        
        
        
The many groups that have ruled greece