domino effect – n. a situation in which one event causes a series of (sometimes similar) events to happen one after another
umbrella – n. (used figuratively) protection
conduct – n. to plan and do (something, such as an activity)
commitment – n. the attitude of someone who works very hard to do or support something; a promise to do or give something
undermine – v. to make (someone or something) weaker or less effective, often in a secret or gradual way