Final answer:
The most direct region of Africa involved in the Trans-Atlantic slave trade was West Africa. Potlatch is associated with the Pacific Northwest region. The Sioux and Apache tribes of the West resisted westward expansion of settlers.
Step-by-step explanation:
The most direct region of Africa involved in the Trans-Atlantic slave trade was West Africa. This region was a major source of enslaved people who were captured and transported to the Americas. The powerful West African kingdoms like the Kingdom of Dahomey and the Ashanti Empire played a significant role in facilitating the slave trade.
Furthermore, the practice of potlatch is associated with the Pacific Northwest region. Potlatch was a ceremonial gift-giving feast among Native American tribes like the Kwakiutl and Haida.
Lastly, the Sioux and Apache tribes of the West were among the tribes that resisted the westward expansion of settlers and fought against them.