Sanctuary city is a broad term applied to jurisdictions with policies in place to limit cooperation or involvement with federal immigration actions, reports CNN.
Many US cities, counties and some states have a myriad of informal policies and laws that qualify as "sanctuary" positions.
"One Chicago" was established on Sunday afternoon in response to the growing needs of the city's refugee and immigrant populations.
The campaign slogan reads: "Three million residents, three million stories, one Chicago".
Mayor Rahm Emmanuel and several others kicked off the event at the DuSable Museum of African American History.
Emmanuel spoke of his grandfather, who journeyed to the US when he was 13 years old.
"He came because this country represented something that Moldova would never stand for," CNN quoted Emmanuel as saying.
"This country, the place he calls home -- the place my grandfather said without a word of English -- his grandson is the mayor. This is the greatest city in the greatest country in the world."
Democratic Representative Luis Gutierrez was also at the event and spoke of a city that "protects immigrants, that cherishes immigrants, that allow immigrants to really prosper".
The campaign will "facilitate access to resources and support for Chicago's residents, including its immigrant and refugee communities."
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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