Ultima ratio

"Ultima ratio" means:


 * 1) Last method
 * 2) The last and\or greatest reason
 * 3) The final argument
 * 4) The last resort (as a use force or law)

It describes a situation were the plans and decisions last resort will be deployed and\or used.


 * Sources:https://www.thefreedictionary.com/Ultima+ratio and https://en.wikipedia.org/wiki/List_of_Latin_phrases