World-systems theory (also known as world-systems analysis or the world-systems perspective) is a multidisciplinary, macro-scale approach to world history and social change which emphasizes the world-system (and not nation states) as the primary (but not exclusive) unit of social analysis. These eight regions of the world include Africa, Asia, Europe and Oceania in the Eastern Hemisphere and North, South and Central America plus … At the most basic level, a standard world map tells us almost nothing about human population. The world’s largest cities are merging into vast ‘mega regions’ which will be characterised by overcrowding, poverty and pollution, a new report warns. Geographers divide areas into different regions so they can compare them, study them without an overwhelming amount of information, and understand how they work together as a system. and you get just under one hectare (2.3 acres) per person. The continuing growth of urban areas is likely to be one of the most significant factors affecting society over the next 50 … How can the Earth be divided into regions for study? Each region is broken down into two or more subregions. The world is divided into those countries that are industrialized, have political and economic stability, and have high levels of human health, and those countries that do not. The United States is divided into four main regions by the U.S. Census Bureau for population registration purposes: the Northeast, Midwest, South and West. World Map: Divided Into 4 Regions With Equal Populations. Should the US divide into two countries? A region is an area that includes a number of places--all of which have something in common. These U.S. regions have different cultures and language dialects than other regions in the country. Geographers categorize regions in two basic ways: physical and cultural. Perhaps they should separate into two countries. Regions a basic unit for geographic study Geographers divide the world into regions to help them interpret Regions can be defined on the basis of: physical and human characteristics. View the full-size version of the infographic by clicking here. If all the habitable land on Earth were equally distributed among all human beings present on Earth, this is the per capita share of good land per person. Physical regions are defined by landform (continents and mountain ranges), climate, soil, and natural vegetation. By doing this, geographers can use smaller amounts of information to create a better understanding of human and physical patterns on Earth. The United States Department of Homeland Security (DHS) has divided the planet into eight distinct inhabited regions. Divide this figure by the current human population of 7 billion (that's 7,000 million people!) America has consolidated into 'red' and 'blue' nations with seemingly irreconcilable differences. 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