Answer:
His purpose is to convey a negative tone toward the tractors. They are similar to insects that destroy crops, and just like a plague of insects, the tractors are virtually unstoppable.
Explanation:
He think basically that tractors destroy things and are unstoppable just as insects do with plagues
The collection of sonnets known as "from the Portuguese"are called that because C. It was the author's husband's nickname for her. The truth is that author did not want to publish her collection of sonnets using original title due to the fact she considered it too personal and private. But her husband insisted on sharing her works with the whole world and proposed to publish them as if <span>they were translations of foreign sonnets. </span>