Answer:
Domestic rivalry
Step-by-step explanation:
The theory of Porter of the national competitive benefit is grounded on the study of the national environment characteristics or features, that identifies or recognizes the 4 sets of the variables and also influence the ability of the companies to create as well as maintain the competitive benefit within the international markets.
So, He argues that accomplishing the international success in the industry is a function of the conditions of domestic demand, related industries, factor endowments and domestic rivalry.