Each of these events and actions dealt with the extension of slavery into the western territories. The Missouri Compromise (1820) banned slavery 36 degrees latitude. The Compromise of 1850 allowed for popular sovereignty (voters decide) in the Mexican Cession territory.
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.
Here so the other guy gets brainiest :)
Confucianism is the philosophy developed by the Chinese philosopher Confucius. His philosophy was all about how to treat people socially, and placed an emphasis on respect and manners.
The answer is Katana and Shuriken.