Which one of the following is not a new source of threat?

War

The correct answer is Option (2) - War

Military threat/War is a traditional source not a new source of threat in modern times.

Non-traditional notions of security go beyond military threats to include a wide range of threats and dangers affecting the conditions of human existence. Non-traditional views of security have been called ‘human security’ or ‘global security’. It identifies new kinds of threats like terrorism, poverty, global poverty, human rights violation, Health epidemics and migration. The main strategy involved in countering the non-traditional security threats is cooperation among the nation states rather than military action.