In relation to the september 11th attacks, the term ground zero refers to

The term is used to refer to the point of any dramatic or violent event such as the site of the 9/11 terror attack. Ground zero is he point on the surface of the Earth that is at the center of a planned the site of a nuclear explosion or a bomb attack

he didn't think it was ethically wrong. he thought it was not going to work and it was not going to be of any assistance. he wrote about that in his memoirs.

answer; /// i believe that they became successful farmers; ///////////////