Answer:
A) the end of World War I
Explanation:
I don’t really know to answer that
First event was the ice age which led to the formation of the land bridge, then it was the migration of the animals, after they followed them down into the America's, they broke off settling different parts of America because some learned to farm, while other still hunted.
The conclusion that can be best be drawn from the influence of these books would be "(1) Authors often increase public awareness of <span>significant issues" especially the last. </span>