What is the difference between justification and excuse defense

The difference is that Justification is a social Defense and a Excuse Defense is a mental disorder or something physical wrong with them

Explanation:

Excuse defence is when the defendant admits to committing a criminal act but believes that he or she cannot be held responsible because there was no criminal intent. Excuse defences that are used in courts today are; Age, Mental Disorder, Automatism, Mistake of Fact and Mistake of Law.

Justification is a defense in a criminal case, by which a defendant who committed the crime as defined, claims they did no wrong, because committing the crime advanced some social interest or vindicated a right of such importance that it outweighs the wrongfulness of the crime.

counter-terrorism incorporates the practice, military tactics, techniques, and strategy that government, military, law enforcement, business, and intelligence agencies use to combat or prevent terrorism.

basically prevent, pursue, protect, and prepare, google it if you need more info