undocumented - adj. not having the official documents that are needed to enter, live in, or work in a country legally

vetting - n. to investigate thoroughly to see if they should be approved -- in this case for entry to the U.S.

executive - adj. a decision made by the person in charge

funding - n. an amount of money that is used for a special purpose

custody –n. the state of being kept in a prison or jail

sanctuary –n. a place where someone or something is protected or given shelter

assure - v. to say something is certain