What do the challenges a country faces have to do with the economic situation of that country ? ​

the answer is:

b) to show the progression of inventions that took place in the bicycling industry.

hope it !

- "the answers are a and b.  

when cullen speaks of planting while others reap, and standing "abject and mute," he is speaking about the racial injustices present in american society. as these injustices have changed over time, the american identity  has also shifted. those changes are, in turn, reflected in american literature."

to convince americans of the importance of others.