use internal and external analysis for Amazon, management homework help

use internal and external analysis, Internal (VRIN model, Value Chain） VRIN (valuable, rare, inimitable, non-substitute) and External (Five forces- Michael Porter, general environment) and four Generic Strategy to analysis Amazon, figure out the core competence and then based on core competence. Amazon compete with ALIBABA and JD,com. And anaylsis some strategic issues about international.