What are the following was an effect of brinkmanship

Endangering mankind.

Explanation:

Brinkmanship is a foreign policy used in the Cold War which is where a country would push a dangerous issue or event to the edge looking for the best outcome for there side.

Brinkmanship was a term that was constantly used during the Cold War with the United States and the Soviet Union.

Brinkmanship is a Political Practices During the Cold War, a foreign policy practice in which one or both parties push dangerous actions, on the brink of disaster in order to get the most advantageous outcome.

The Cuban Missile Crisis, as it is known, is an example of brinksmanship.