Answer:
These efforts by Hartz Mountain are an example of a company's social responsibility to: Philanthropy. It can also be called Corporate Philanthropic Responsibility.
Step-by-step explanation:
Corporate philanthropic responsibility represents a company's contribution to the society in terms of making investments in educational programs, scholarships, health interventions, providing shelter and other notable feats that is supports community causes.
The intervention by Leonard Stern, the chairman of Hartz Mountain, who was concerned and outraged at the condition of New York City's homeless living in shelters and welfare hotels, and was determined to help them is a typical example of corporate philanthropic responsibility.
Thus providing the community clean, safe housing complexes, and helping to create social programs to help homeless families.