Brinkmanship was a bold, aggressive idea because it required

drastically decreasing defense spending.

engaging in lengthy peace talks with enemies.

bluffing an enemy into thinking it would be attacked.

invading a nation to force it to surrender.

bluffing an enemy into thinking it would be attacked.

The correct option would be the third one. The term Brinkmanship refers to a military strategy that dates back to the Cold War. In it, one side seeks to impress the enemy showing a military superiority through threats. These samples could be so treacherous that they could be on the verge of generating a conflict. It was used to keep the adversary at bay, and in some cases achieve its withdrawal from an already occupied territory.