Nalysis on the importance of managing cultural diversity in hospitality industry

This essay that should be come in 4 sections:
Why manage cultural diversity
choose 2-3 strategy/approach in order to manage the organization with benefits
first, start in brief, then pick 1-2 fields to focus on (recruitment, training, managing cultural shock) in order to show in-depth understanding
eg. how training within the organization can bring out personal benefits to individuals and how it links to organizational skills, justify the benefits for both individuals and organization.
use relevant case study and academic articles for referencing