https://en.wikipedia.org/wiki/Nuclear_weapon#Types
https://www.britannica.com/technology/nuclear-weapon
https://www.belfercenter.org/publication/psychology-nuclear-brinkmanship
Unfortunately, Nuclear Brinkmanship can only go so far, before things can start to get out of control.
https://en.wikipedia.org/wiki/Full-spectrum_dominance
https://thedigitallabyrinth.blogspot.com/search?q=Nuclear+Brinkmanship