Here are the answers to your questions:
Question 1: The __________ refers to the shipment of African slaves across the Atlantic Ocean to the Americas.
Answer: C. Middle Passage
Question 2: The total number of slaves shipped to the Americas is estimated to be __________ people.
Answer: B. 8 to 12 million
Question 3: The Middle Passage was part of the larger trade network known as "__________."
Answer: C. Triangular Trade