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Dialect
A version of a language that reflects changes in speech patterns due to class, region, or cultural changes.
Glossary
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Diaspora
The scattering of the Jews outside Palestine beginning in the Roman Era.
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Dictatorship
Dictatorship: a system of government where the ruler, or dictator, has absolute power.
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Diffusion
The spread of ideas, inventions, or patterns of behavior to different societies.
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Digital divide
The divide between the handful of countries that are the technology innovators and users and the majority of nations with little ability to create, purchase, or use new technologies.
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Dike
An earthen bank is used to direct or prevent the passage of water.
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Dissection
The carving of a landscape into erosional forms by running water.
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Distance decay
A term referring to the concept that increasing distances between places tend to reduce interactions among them.
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Distributary
A stream that results when a river subdivides into branches in a delta.
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Diversify
To increase the variety of products in a country’s economy. To promote manufacturing and other industries to achieve growth and stability.