The correct option is A Bomb attack on a major city
Bomb attacks on major cities is an example of terrorism. Terrorism is perpetrated not only by external forces, but also by internal forces. These threats are generally caused by desire for autonomy due to community or religion based feelings or lack of development. People’s discontent and protests against the government can sometimes take a violent form. Violent attacks by animals is not an example of terrorism. Kids bullying each other is not an example of terrorism though sometimes it can take a violent turn. Parents should discipline their children to teach them the difference between right and wrong.