In the context of modern warfare, which of the following statements best describes "Grey Zone warfare"?
1
A military strategy that involves the use of advanced weaponry and direct military confrontation to gain territorial advantage over an adversary.
2
The use of unconventional tactics and strategies, such as cyber attacks, support to non-state actors, and economic coercion, that fall below the threshold of traditional warfare.
3
An international agreement among nations to prevent the use of non-state actors in military conflicts.
4
A defensive strategy aimed at protecting a nation's sovereignty using only diplomatic and peaceful negotiations without any aggressive measures.