What is a sanctuary city? Is NJ a sanctuary state? What limitations does ICE have?

Contributing sentiments towards policy:

62% : " Cahill also wrote: "The New Brunswick Police Department does not enforce federal immigration laws and does not participate in raids or investigations involving immigration status.
57% : Anyone, including ICE, can enter the public areas of a business without permission.
47% : However, in 2018, then Attorney General Gurbir Grewal issued the "Immigrant Trust Directive," which said that local police in the state could no longer stop, search or detain any individual over immigration status or detain immigrants at the request of ICE, except in cases of serious or violent crimes or final deportation orders.
47% : After Trump was elected in November, Gov. Phil Murphy said at a press conference that the state will be "very aggressive, both with bullhorn, with legal action and with any other action we deem to be necessary," when it comes to protecting those who are undocumented.
46% : People do not need to show their immigration related documents or talk about their immigration status to ICE, said the ACLU of New Jersey.
45% : 'It feels dangerous': NJ faith leaders mum on sanctuary as Trump targets immigrants In the state Senate and Assembly, legislation has been introduced that would limit state and local agencies in sharing personal information with ICE.
30% : Trump attempted to deny federal funding to sanctuary cities in his first term in office.
17% : " President Trump has threatened to withhold federal funding from cities that refuse to cooperate with federal law enforcement agencies, such as ICE.

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