Final answer:
The provided information does not address the ease of market segmentation for B2B marketers through firmographic data. It does confirm other historical truths such as the impact of the market revolution, social class distinctions based on domesticity, land acquisition in Indian policy, and independent agrarian development in the Southeastern United States.
Step-by-step explanation:
The statement concerning market segmentation being easy for B2B marketers in the past due to the easy obtainability of firmographic data cannot be verified through the historical information provided. However, historical facts suggest various true notions, such as the market revolution significantly altering the social and economic landscape of the United States, the concept of separate spheres, and the Cult of Domesticity allowing the middle class to distinguish themselves from the working class.
Additionally, the acquisition of land being a central motivator in early U.S. Indian policy and the assertion that the region of the Southeastern United States was an independent center for plant domestication are both confirmed as true. Conversely, the claim that most colonists in 18th-century North America were largely self-sufficient and did not need to import consumer goods from Britain is false.