Why do Sustainable Relationship MatterHow does procurement contribute to an organizational competitive advantage?This can be attained by performing supplier evaluations at every procurement stage and also conducting inclusive sourcing.Which elements of strategic decision making contribute to successful procurement management?This can be attained by identifying opportunities and managing internal controlsHow can an organization ensure it establishes sustainable relations with external entities?This can be attained by creating more relational relationships as opposed to transactional ones thereby reducing uncertainty, improving communication, loyalty and establishing a vision. Firstly we have to perform a strategic assessment, then decide to form a relationship, evaluate other alternatives and select partners. Also structure a model to work with, implement the model and continuously improve on it$.$