In what ways does he argue that slavery has poisoned American life?

It forms divisions.

Explanation:

Slavery has poisoned American life because it forms division among the residents of United States of America. Due to this division, the unity of the nation is adversely affected which is poison for the country. Unity is the main factor that helps nation to grow and achieve development in every field of life so if the slavery exists in the American society, the country will not achieve success so it is a poison for a country and its people.

answer: because they get bored or smth idk

a. because the u.s. was the leading with the most technology, economy, etc. also was teamed with other allies witch boosted the economy and materials to improve technology and use it.