which of the following is an example of how American Indians of the northwest coast were unique and how they practice social organization.

a. green corn ceremony
b. Iroquois League
c. mound building
d. potlatch

d. potlatch

The correct answer is d. potlatch. The indigenous people of the Northwest Coast, specifically the tribes such as the Kwakwaka'wakw, Haida, and Tlingit, were known for practicing the potlatch ceremony. The potlatch was a significant social and ceremonial event involving the redistribution of wealth, sharing of resources, and the display of one's status and power within the community. This unique practice of gift-giving and feasting played a crucial role in maintaining social order and reinforcing the hierarchical structure of their societies.

To determine which of the options is an example of how American Indians of the northwest coast were unique and how they practiced social organization, let's examine each choice:

a. Green Corn Ceremony: The Green Corn Ceremony is actually associated with the southeastern Woodland tribes, rather than the American Indians of the northwest coast. Therefore, this option is not the correct answer.

b. Iroquois League: The Iroquois League, also known as the Haudenosaunee Confederacy, was a political alliance formed by several tribes in the northeastern United States. It is not directly related to the American Indians of the northwest coast, so this option does not demonstrate their unique social organization.

c. Mound Building: Mound building, both for ceremonial and practical purposes, is associated with various Native American cultures across North America, including the Mississippian and Adena-Hopewell cultures. However, it does not specifically represent the social organization of the American Indians of the northwest coast. Thus, this option is also not the correct answer.

d. Potlatch: The correct answer is "d. potlatch." The potlatch is a ceremonial feast practiced by the indigenous peoples of the northwest coast of North America, such as the Tlingit, Haida, Kwakiutl, and Nuu-chah-nulth. It served as a way to display wealth, redistribute resources, and reaffirm social status within the community. The potlatch played a significant role in their unique social organization by reinforcing social ties, maintaining status hierarchies, and facilitating clan alliances.

Therefore, the option that exemplifies how American Indians of the northwest coast were unique in their social organization is the potlatch (d).