Answer:
1. Both passages describe how the Kolbs and the Volkamps set up flourishing businesses at the Grand Canyon.
2. Both passages explain how the Kolbs' and the Volkamps' businesses have been taken over by the Grand Canyon Association.
Step-by-step explanation:
In both passages, it is mentioned that the Kolbs and the Volkamps established successful businesses at the Grand Canyon. This highlights the importance of the Grand Canyon as a place of commerce and business opportunities. Additionally, both passages also mention how the businesses of the Kolbs and the Volkamps have been taken over by the Grand Canyon Association. This further emphasizes the significance of the Grand Canyon as a center for commerce and business.
These statements highlight the role of the Grand Canyon as a source of economic activity, showcasing how people have been able to establish thriving businesses in the area and how the management of these businesses has transitioned to the Grand Canyon Association.