The correct answer is B. Iron Products.
Explanation
The map shows a map of the Atlantic Ocean showing part of America, Africa, and Europe. In this there are green arrows, which represent the thirteen colonies of North America; red representing England and Europe; yellow representing Africa, and blue representing the West Indies, next to these arrows are mentioned the goods that were traded from one place to another. For example, in the case of the thirteen colonies of North America, they sent to Europe fish, whale oil, lumber, and tobacco; to Africa, they sent rum and steel products; they sent flour, fish, meat, and lumber to the West Indies. In exchange for this, they received from Europe leas, spices, furniture, cloth, tools; West Indian slaves (from Africa), and melasses. According to the above, it can be inferred that the correct answer is B. Iron Products.
I would have though that he was a tradesman.

A river valley civilization is an agricultural nation or civilization situated beside and drawing sustenance from a river. A "civilization" means a society with large permanent settlements featuring urban development, social satisfaction, specialization of labor, centralized organization, and written or other formal means of communication. A river gives the inhabitants a reliable source of water for drinking and agriculture. Additional benefits include fishing, fertile soil due to annual flooding, and ease of transportation. The first great civilizations, such as those in Mesopotamia and Ancient Egypt, all grew up in river valleys. Tigris River flourished near Mesopotamia civilization and river nile flourished near civilization of Egypt.
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Charlemange had 5 wives during his life it included luitgard, fastrada, hildegard, desiderata, himiltrude hope that helps:)