; vacancies (A) Term A member of the Commission shall be appointed for the life of the Commission. (B) Vacancies (i) In general A vacancy on the Commission shall be filled in the same manner in which the original appointment was made. (ii) Partial term A member appointed to fill a vacancy on the Commission shall serve for the remainder of the term for which the predecessor of the member was appointed. (C) Continuation of membership If a member of the Commission was appointed to the Commission as an employee of the National Park Service, and ceases to be an employee of the National Park Service, that member may continue to serve on the Commission for not longer than the 30-day period beginning on the date on which that member ceases to be an employee of the National Park Service. (c) Duties The Commission shall— (1) plan, develop, and carry out programs and activities throughout the United States— (A) appropriate for the commemoration; (B) to recognize and highlight the resilience and contributions of African-Americans since 1619; (C) to acknowledge the impact that slavery and laws that enforced racial discrimination had on the United States; and (D) to educate the public about— (i) the arrival of Africans in the United States; and (ii) the contributions of African-Americans to the United States; (2) encourage civic, patriotic, historical, educational, artistic, religious, economic, and other organizations throughout the United States to organize and participate in anniversary activities to expand understanding and appreciation of— (A) the significance of the arrival of Africans in the United States; and (B) the contributions of African-Americans to the United States; (3) provide technical assistance to States, localities, and nonprofit organizations to further the commemoration; (4) coordinate and facilitate for the public scholarly research on, publication about, and interpretation of— (A) the arrival of Africans in the United States; and (B) the contributions of African-Americans to the United States