What is the purpose of the scene in which Frank and Tub stop at the tavern for food and coffee, leaving the wounded Kenny in the back of the truck?

Which quotation best expresses a major theme of this speech? "i saw my evil day at hand. the sun rose dim on us in theo morning, and at night is sunk in a dark cloud, and looked likea ball of fire.""i am much grieved, for i expected, if i did not defeat you, too hold out much longer, and give you more trouble before ! surrendered."m"we went to our great father. we were encouraged. hiso great council gave us fair words and big promises, but wegot no satisfaction.".**we told them to let us alone; but they followed on andbeset our paths, and they coiled themselves among us likethe snake."