Question

brinkmanship is best defined as
declaring war after less drastic alternatives have been explored and rejected.
taking a dispute to the edge of conflict to force an enemy to back down.
trying to amass more and more powerful weapons to overpower an enemy.
lining up weapons at another nation’s borders to send a threatening message.

Explanation:

El término "Brinkmanship" se refiere a una táctica política en la que una nación lleva una disputa al borde del conflicto para forzar a un enemigo a retroceder. Esta táctica se basa en la amenaza de usar la fuerza, pero evita la guerra directa.

Answer:

Taking a dispute to the edge of conflict to force an enemy to back down.