Nation is the correct answer.
Previous military policies had created massive killings throughout long years on a war of aggression. Brinkmanship, as showed in history was used to let another country stop its war through massive retaliation. It is a more dangerous option to use nuclear weapons as a sign of power and capability to kill more people including civilians in a fast mode.
Answer:
B. Kublai Khan was able to conquer all of China, while Genghis Khan
was not.
Explanation:
He was able to increase the empire and even conquer more. Compared to his father, he was really successful.
it was for more than 500 years
