Final answer:
Rachel has displayed the concept of Corporate Social Responsibility (CSR) in her campaign by inviting people to visit the company and learn about the processes involved in the making of the product.
Step-by-step explanation:
Rachel has displayed the concept of Corporate Social Responsibility (CSR) in her campaign. CSR refers to a company's commitment to operating ethically and contributing to the well-being of society. By inviting people to visit the company and learn about the processes involved in the making of the product, Rachel is demonstrating her company's efforts to engage with their customers and promote transparency and accountability.