Question

read the excerpt from silent spring. then, answer the question.
o witchcraft, no enemy action had silenced the rebirth of new life in this stricken world. the people had done it themselves.\ what is the authors purpose for this quotation? to show that the problems are the result of mysterious forces to make readers feel guilty to emphasize the horror of what has happened to convince readers that the problems are unsolvable

Explanation:

The quote says "No witchcraft, no enemy action" (so it's not mysterious forces or an enemy) and "the people had done it themselves". It doesn't say problems are unsolvable. It emphasizes that people caused the bad situation (the horror of it).

Answer:

to emphasize the horror of what has happened