Final answer:
The development of strong customer relationships is influenced by legal barriers, the composition of the buying center, barriers that customers face in leaving a relationship, and differences in organizational cultures.
Step-by-step explanation:
The development of strong customer relationships is strongly influenced by all of the above options mentioned in the question. Legal barriers to loyalty programs can affect the ability of companies to incentivize customers and build loyalty. The composition of the buying center, which refers to the individuals involved in the decision-making process within an organization, can impact relationship development. Barriers that customers face in leaving a relationship, such as contractual obligations or high switching costs, can also influence the strength of customer relationships. Additionally, differences in organizational cultures between companies and customers can impact the ability to build strong relationships.