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.

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.

bluffing an enemy into thinking it would be attacked.

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radioactive dating, also known as  radioisotope dating  is a process that in  estimating the approximate  age  of  rocks. these data can be analyzed from  the studies dealing with the  decay of the radioactive elements that are present in these rocks. in nature, there are a few types of materials or atoms which are quite unstable and they spontaneously decay or breakdown to form other kinds of atoms.