Throughout history, edents generated both positive and negative consequences, for example the second world war, which caused a deat social impact in vietnam and the world.
On the one hand, the positive consequences that left from the medical point of, view, were progress in the knowledge of neurology, psyciatry and neurotoxics (such as agriculture) because of the war the "hippies" culture was also created. the patriotic and nationalist ideas of several countries were promoted, for example pangermanism.
On the other hand, the negative consequences that the battle left were milions of deaths on both sides. the defoliation of large extensions of land left by the the orange agent, which allowed deforestation and the loss of rich land for agricultura. it also left serious consequences to the soldiers who participated in the war.
Both the negative and positive aspects of this war generated changes in society, as well as the new activist groups. In some cases it was necessary, for example to strengthen nationalist sentiment.