4x - sea voyage of a month or more - between Africa and the Americas - approximately 12 million people made the journey -a death rate of approximately 25% during the journey These are all describing A Triangular Trade. B the Middle Passage. C Mercantilist theory. D the Columbian Exchange.

The question is asking to identify the term that best describes the given characteristics. The characteristics mentioned are: a sea voyage of a month or more, between Africa and the Americas, approximately 12 million people made the journey, and a death rate of approximately 25% during the journey. These characteristics are describing the Middle Passage, which was the stage of the triangular trade in which millions of Africans were forcibly transported to the New World as part of the Atlantic slave trade. The Middle Passage was the journey across the Atlantic Ocean to the Americas, and it was notorious for its brutal conditions and high death rates. Therefore, the correct answer is B, the Middle Passage.