3. New York City is the most populous city in the United States. The New York metropolitan area ranks among the world's most populous urban areas. It is a leading global city, exerting a powerful influence over worldwide commerce, finance, culture, and entertainment. The city is also an important center for international affairs, hosting the United Nations headquarters.
4. A Hospital is an institution for health care providing treatment by specialised staff and equipment, and often but not always providing for longer-term patient stays. Today, hospitals are usually funded by the state, health organizations health insurances or charities, including direct charitable donations. In history, however, they were often founded and funded by religious orders or charitable individuals and leaders. Similarly, modern-day hospitals are largely staffed by professional physicians, surgeons and nurses, whereas in history, this work was usually done by the founding religious orders or by volunteers.
5. Police are agents or agencies, usually of the executive, empowered to enforce the law and to ensure public and social order through the legitimized use of force. The term is most commonly associated with police departments of a state that are authorized to exercise the police power of that state within a defined legal or territorial area of responsibility. Police NYPD
6. Banks have influenced economies and politics for centuries. Historically, the primary purpose of a bank was to provide loans to trading companies. Banks provided funds to allow businesses to purchase inventory, and collected those funds back with interest when the goods were sold. For centuries, the banking industry only dealt with businesses, not consumers. Banking services have expanded to include services directed at individuals, and risk in these much smaller transactions are pooled. Bank
