Which is the best description of how climate impacted westward expansion?
A) As the region became more and more populated, the way of life of the Native Americans changed.
B) Trails through the mountains followed passes that were often impassible during spring rains and winter snows.
C) After the Civil War, the transcontinental railroad provided a way for those who had the means to travel to the West.
D) Travelers moving east past the Mississippi River had to cross not only the plains, but also deserts and the Rocky Mountains.
1 answer
Which ONE of the choices has anything to do with climate?