So that you don't drift off from the topic and to make it nice and simple
Answer:
The message is that, as well as dogs, have his own instincts (searching for food when they are starving, and fighting until death in order to get food), humans are not different, they will defend their selves and their possessions until death. This situation does not mean that even when humans are acting because of his instincts, they do not feel fear: when Bill says "I wisht they'd strike game somewheres, an' go away an' leave us alone." it means that they know they have to do something to make dogs go away even they do not like the situation and feel afraid, as well as dogs do but have no other option to survive than to follow their instincts.
Explanation:
The answer is D.) Teaches; is going.
There you go!
Pangaea was a giant continent, it had almost all the continents we know as today. Pangaea later broke apart because of the plate tectonics and Africa separated from South America, India separated from Antarctica, North America separated from Europe, Australia moved away from Antarctica, and India moved away from Madagascar. India also later ran into Eurasia forming the Himalayas.