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In page Puebla:

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However, almost all of the state's development has been centered on the capital city and the surrounding areas. This has caused a wide economic gap between rich and poor and between the city areas and the rural areas, with much of the state lacking investment by the government (infrastructure) or by private interests.[3][4] This has led the United Nations to rank the state as the seventh most underdeveloped in the country, despite the industry in the Puebla city area in 2006–2007, with areas lacking basic services such as health, water and education along with high unemployment.[2][5] The state is even ranked lower for these than Lebanon, Cuba and Bosnia. The UN blames poor government policies and corruption for much of the state's poverty.[5]