Porter theorizes that four broad attributes of a nation shape the environment in which local firms compete, and these attributes promote or impede the creation of competitive advantage. these attributes are:

These are as below;

1. Factor Endowments: A country's situation in components of production, for example, able workers or the foundation important to contend in a given industry.    

2. Demand conditions: The nature of home interest for the business' item or administration.  

3. Related and supporting industries: The nonappearance or appearance of product enterprises and related businesses that is purposefully competitive.  

4. Firm Strategy, structure, and rivalry: The conditions overseeing how organizations are made, composed, and managed and the idea of domestic rivalry.  

the answer is d

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