Final answer:
William Johnson suggests that the prospect of war with Native Americans was seen as a permanent threat to the United States and its citizens.
Step-by-step explanation:
In source 2, William Johnson suggests that the prospect of war with the Native Americans living in 'Indian country' was seen as a permanent threat to the well-being of the United States and its citizens. Many officers in the US Army projected their views of the Confederacy on these tribes and on Native Americans in general, viewing them as enemies. The collusion of some Native American and Confederate leaders was used as a pretense to justify any policy toward native tribes.