VOA慢速英语:Trump Calls for Unity, Jobs and National Security

vet – v. to investigate (someone) thoroughly to see if they should be approved or accepted for a job

crucial – adj. extremely important

principle – n. a basic truth or theory; an idea that forms the basis of something

strain – v. to cause problems or trouble for (something)

savage – n. a person who is very violent or cruel

slaughter – v. to kill (many people) in a very violent way