Answer:
Honestly I never thought about it, but I would go with the hens.
I believe the answer is: firearms
Currently, form the total of homicide in united states, more than 65% of them are being done by using firearms. From those 65% the overwhelming majority of the victims are the people from lower income tax bracket (usually due to competition in doing criminal activities such as drugs or mafia)
<em><u>Answer: At the start of the 1970s the term 'sustainable development' was coined, probably by Barbara Ward (Lady Jackson), founder of the International Institute for Environment and Development (see Ward & Dubos 1972).</u></em>