Answer: Based on the excerpt provided, the following statement is true of the Iroquois:
The Iroquois adopted agriculture and acquired crops like maize, squashes, gourds, beans, and tobacco through human agency, specifically by migration and acquisition of seeds. This transition to agriculture allowed them to become farmers.
The excerpt also suggests that the Iroquois may have been remnants of a previous culture known as the Mound Builders, and their adoption of agriculture might have contributed to the development of their state system.
Explanation: :)