Final answer:
The Northeastern tribes formed political confederacies and engaged in 'Mourning Wars', while the Southeastern tribes developed agriculture-based hierarchical societies with complex mound structures and powerful chiefs.
Step-by-step explanation:
The key difference between the Northeastern and Southeastern tribes lies in their societal organization and dwelling structures. The Northeastern tribes such as the Iroquois were known for agricultural practices, hunting and gathering, and organized into tribes
And nations that formed political confederacies. One of their main social drivers was warfare for gaining power and prestige, leading to cycles of 'Mourning Wars'.
In contrast, the Southeastern tribes like the Cherokee were heavily based on agriculture, taking advantage of the region's fertile lands to grow crops such as maize, tobacco, and beans.
They built mounds for their villages, religious, and burial sites, developing hierarchical societies with powerful chiefs. Despite facing massive population declines due to diseases and the hardships of the Indian Removal Act, they were known for their well-structured societies.
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