decisiveness
https://gyazo.com/8945901680c97dee4c251886bc227c88
source: [RAIL WARS!の桜井あおいが導線を切断するGIF画像|無料GIF画像検索 GIFMAGAZINE 657830] noun
e.g. the crisis will require leadership and decisiveness to resolve it
e.g. he criticized the government for its lack of decisiveness.
断固[確固]たること、決意の現れ
e.g. there was no doubting the decisiveness of his victory
e.g. the decisiveness of the policy.