According to the article, WHY did the wedge originally get invented?
It was produced to stop friction from separating things.
It was made to replace the inclined plane in axes and knives.
It was not invented because it exists naturally in the environment.
It was created to be used in stone tools by our ancient ancestors.

Is there you can attach the article?

the use supports it by making it seem like the dictators are not bad to the people when the truly are.

- "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."