# data[].attributes.headline
drill bit -are cutting tools used to remove material to create holes, almost always of circular cross-section.

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drill bit -are cutting tools used to remove material to create holes, almost always of circular cross-section.

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military installation-A base, camp, post, station, yard, center, or other activity under the jurisdiction of the Secretary of a Military Department

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military installation-A base, camp, post, station, yard, center, or other activity under the jurisdiction of the Secretary of a Military Department

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urbanization-the process of making an area more urban

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urbanization-the process of making an area more urban

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urban-in, relating to, or characteristic of a city or town.

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urban-in, relating to, or characteristic of a city or town.

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rural- relating to, or characteristic of the countryside rather than the town.

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rural- relating to, or characteristic of the countryside rather than the town.

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reform-make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.

# data[].attributes.subject
reform-make changes in (something, typically a social, political, or economic institution or practice) in order to improve it.

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standard of living-the degree of wealth and material comfort available to a person or community

# data[].attributes.subject
standard of living-the degree of wealth and material comfort available to a person or community

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refinery-an industrial installation where a substance is refined

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refinery-an industrial installation where a substance is refined

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progressives-those who advocate social reforms and legislative programs to improve society

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progressives-those who advocate social reforms and legislative programs to improve society

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prohibition- to ban something  generally refers to the movement to ban the manufacture,sale , transportation,and use of alcoholic bevrages

# data[].attributes.subject
prohibition- to ban something  generally refers to the movement to ban the manufacture,sale , transportation,and use of alcoholic bevrages

# data[].attributes.headline
petroleum-a thick oily substance found deep in the earth and used as fuel

# data[].attributes.subject
petroleum-a thick oily substance found deep in the earth and used as fuel

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industrialization-the economic development of manufacturing products from natural resources  

# data[].attributes.subject
industrialization-the economic development of manufacturing products from natural resources  

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boom and bust cycle-an economic pattern characterized by periods of economic growth and periods of economic decline

# data[].attributes.subject
boom and bust cycle-an economic pattern characterized by periods of economic growth and periods of economic decline