Final answer:
Culturally tailored data collection tools are the most important resource in designing a health promotion project for African American women at risk for developing breast cancer.
Step-by-step explanation:
The most important resource in designing a health promotion project for African American women at risk for developing breast cancer is culturally tailored data collection tools. These tools will help to gather accurate information about the health perceptions, behaviors, and knowledge of the target population. By understanding their specific needs and beliefs, the program can be designed to effectively address health disparities and promote better health outcomes.