Government of New York City are designated jointly by the five county executive committees of each party. In most cases, insurgents who are party members can challenge party-designated candidates by petitioning for a primary election. The Brooklyn Public Library and Queens Public Library are public library systems within their respective boroughs. The New York Public Library is a private, non-governmental library serving the Bronx, Manhattan, and Staten Island, that receives government funding. The New York City Housing Authority (NYCHA) provides public housing for low- and moderate-income residents. NYC Health + Hospitals (New York City Health and Hospitals Corporation, or HHC) operates public hospitals and clinics.
Caribbean immigration to New York City community as "Loisaida"), Spanish Harlem and Williamsburg, Brooklyn since the 1950s. There are large Puerto Rican populations throughout the 5 boroughs, with the Bronx having the largest. Currently, Bushwick and several South Bronx neighborhoods, such as Soundview, have some of the largest numbers of Puerto Ricans in the city. However, there has been an increase in Puerto Ricans in outlying areas of the city, such as the North Shore of Staten Island, and the eastern Bronx. Caribbean immigration to New York City Caribbean immigration to New York City has been prevalent since the early 1900s. This immigration wave saw large