The main point of the nuclear non-proliferation treaty was not spread the use of nuclear weapons so your best choice would be nuclear energy as a source of fuel was not to be allowed.
The correct answer would be Omission.
Indeed, if the person who failed to act had the legal duties to do it (like a police officer or a doctor). This is considered a crime of omission since there was <em>mens rea</em> (guilty mind in Latin); meaning that the offender knew that failure to act despite his established duty would result in injury to the other party.
Farmers i think its famers because i have read a story about them