USA HISTORY

Detailed explanation-1: -An urban area, built-up area or urban agglomeration is a human settlement with a high population density and infrastructure of built environment. Urban areas are created through urbanization and are categorized by urban morphology as cities, towns, conurbations or suburbs.

Detailed explanation-2: -Population density is determined by the number of residents who live within a given land area – usually a mile or kilometer. According to the United Nations, as of 2016, about 55% of the world’s population lives in urban areas.

Detailed explanation-3: -People began to move to urban areas in search of jobs, food, housing, education, healthcare and more social activities. Urbanization is the term used to describe the shift from rural to urban living and the increased concentration of the human population in densely populated cities.

Detailed explanation-4: -Urban cluster: must have a minimum of 5, 000 inhabitants plus a population density of at least 300 people per square kilometre (km2). Rural: fewer than 5, 000 inhabitants.

Detailed explanation-5: -In real estate terms, density describes the number of housing units per land unit in a given area. So, low density housing areas are typically populated by single-family homes and condos with few units. On the other hand, high density areas are usually urban and populated by high-rise buildings with many units.