"A crisis (plural: "crises"; adjectival form: "critical") is any event or period that will lead, or may lead, to an unstable and dangerous situation affecting an ...
[Read more]
individual, group, or all of society. Crises are negative changes in the human or environmental affairs, especially when they occur abruptly, with little or no warning. More loosely, a crisis is a testing time or an emergency." - (en.wikipedia.org 18.12.2020)