The Secretary shall enter into a contract with a nongovernmental organization described in subsection (b) to establish and maintain a clearinghouse to provide information to nongovernmental groups located throughout the United States that assist low-income individuals or communities regarding food assistance, self-help activities to aid individuals in becoming self-reliant, and other activities that empower low-income individuals or communities to improve the lives of low-income individuals and reduce reliance on Federal, State, or local governmental agencies for food or other assistance.