"Terrorism refers to a strategy of using political violence, social threats or coordinated attacks closely related with unconventional warfare in manner of conduct and operation.The term is often used to assert that the political violence of an enemy is immoral, wanton, and unjustified; and terrorist attacks are commonly characterized as "indiscriminate", "targeting of civilians", or executed "with disregard for human life". " I would add that it serves no purpose other than to foster hatred and fear to promote someone's hidden agendas. It is rarely what it seems.
Brazil signs agreement with U.S. university to develop Zika vaccine (AP)
from the article: Game theory