Final answer:
Mary and Alex Green will cooperate with the U.S. Citizenship and Immigration Services (USCIS) to facilitate the adoption of a child from Haiti and confirm their eligibility to adopt, as well as the child's eligibility to enter the U.S.
Step-by-step explanation:
Mary and Alex Green, U.S. citizens who wish to adopt a young child from Haiti, will work with the U.S. Citizenship and Immigration Services (USCIS), an agency of the Department of Homeland Security. USCIS is responsible for determining the eligibility and suitability of prospective adoptive parents as well as ensuring that the child they hope to adopt is eligible to enter the United States. This process includes a thorough assessment of the adoptive parents' background and the child's circumstances to comply with the immigration laws and international adoption standards.