Answer the following question: Information: - The Chicago Housing Authority Police Department ( also known as the CHAPD ) was created as a supplement to the Chicago Police Department ( CPD ) , to provide dedicated police services to the residents of one of the nation 's most impoverished and crime ridden developments for low - income housing . It existed from October 30 , 1989 , to October 29 , 1999 . The CHAPD accomplished their daily goals by utilizing '' community oriented policing techniques and aggressive vertical patrol '' of all Chicago Housing Authority public housing projects throughout the inner city of Chicago , Illinois and some suburban areas . - A municipal corporation is the legal term for a local governing body, including (but not necessarily limited to) cities, counties, towns, townships, charter townships, villages, and boroughs. - The New York City Police Department (NYPD), officially the City of New York Police Department, is the largest municipal police force in the United States. Established in 1845, the agency has primary responsibilities in law enforcement and investigation within the five boroughs of New York City. The NYPD is one of the oldest police departments established in the U.S., tracing its roots back to the nineteenth century. - The Chicago Police Department (CPD) is the law enforcement agency of the U.S. city of Chicago, Illinois, under the jurisdiction of the City Council. It is the second-largest non-federal law enforcement agency in the United States, behind only the New York City Police Department. It has about 12,244 officers and over 1,925 other employees. Tracing its roots back to 1835, the Chicago Police Department is one of the oldest modern police forces in the world. - Illinois is a state in the midwestern region of the United States, achieving statehood in 1818. It is the 5th most populous state and 25th largest state in terms of land area, and is often noted as a microcosm of the entire country. The word "Illinois" comes from the Algonquin word for "tribe of superior men". With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal, timber, and petroleum in the south, Illinois has a diverse economic base and is a major transportation hub. The Port of Chicago connects the state to other global ports from the Great Lakes, via the Saint Lawrence Seaway, to the Atlantic Ocean, as well as the Great Lakes to the Mississippi River, via the Illinois River. For decades, O'Hare International Airport has been ranked as one of the world's busiest airports. Illinois has long had a reputation as a bellwether both in social and cultural terms and politics. - The Chicago Housing Authority (CHA) is a municipal corporation that oversees public housing within the city of Chicago. The agency's Board of Commissioners is appointed by the city's mayor, and has a budget independent from that of the city of Chicago. CHA is the largest rental landlord in Chicago, with more than 50,000 households. CHA owns over 21,000 apartments (9,200 units reserved for seniors and over 11,400 units in family and other housing types). It also oversees the administration of 37,000 Section 8 vouchers. The current acting CEO of the Chicago Housing Authority is Eugene Jones, Jr. - Chicago (or ), officially the City of Chicago, is the third-most populous city in the United States, and the fifth-most populous city in North America. With over 2.7million residents, it is the most populous city in the state of Illinois and the Midwestern United States, and the county seat of Cook County. The Chicago metropolitan area, often referred to as Chicagoland, has nearly 10million people and is the third-largest in the U.S. Given the information, choose the subject and object entities that have the relation of 'instance of'.
Answer:
chicago housing authority police department , law enforcement agency