Answer:
1. arc B is half the circle
2. not shure
I can't see the options (did you provide any? Is this multiple choice?), but I would assume they could guess that the domestication of animals was employed in that society, or learn what the people ate.
The purpose is to ensure that Ozamoto understands that he cannot return to his home in the exclusion zone.
Answer:
deter and punish terrorist acts in the United States