research about Walmart Corp and elaborately write about these topics bellow

Subject : Operational effectiveness 

Organization: Walmart Corp

End goal: Project end goal.  New challenges Walmart facing and how to solve them.

Part 1 

Please research about Walmart Corp  and elaborately write about these topics bellow; remember to approach from a perspective of operational effectiveness , like you are a C.E.O

Capabilities and Resources Analysis

Description of Products/Service Offerings

Value Chain Analysis of One Key Product

Overview of Competitive Strategy of One Key Product