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100

Preceded the development of the cultural landscape, unpopulated zone between populated areas

Antecedent boundary 

100

A straight line or are drowns by people that does not closely follow any physical features

Geometric boundary

100

Natural boundaries between areas such as oceans, deserts and mountains

Physical geographic boundaries 

100

When a boundary separates natural resources that may be used by both countries

Allocational boundary dispute (resource dispute)

100

When two or more parties disagree over how to interpret the legal documents or maps that identify the boundary

Definitonal boundary

200

A type of subsequent border that takes into account already - existing cultural of physical landscapes

Consequent Boundary

200

Without territory connected to an ocean 

Landlocked states

200

Boundary that has been abandoned for political purpose, but evidence of it still exists on the landscape

Relic boundary

200

Coastal states have limited sovereignty for up to 24 nautical miles where they can enforce laws on customs, immigration and sanitation 

Contiguous zone

200

Territories that are part of a state, yet geographically separated from the main state by one or more countries

Exclaves 

300

Divide people according to some cultural division such as language, religion, or ethnicity 

Cultural boundaries

300
One that is heavily guarded and discourages crossing

Militarized boundary

300

created while the cultural landscape is evolving and is subject to change over time

Subsequent boundary

300

Boundaries that have checkpoints where a passport or vise are required to enter the country

Controlled borders

300

Coastal states can explore, extract minerals, and mange natural resources up to 200 nautical miles

Exclusive economic zone (EEZ)

400

A border that is drawn taking into account language, ethnicity, religion, or there cultural traits

Cultural consequent boundary

400

Unguarded and people can cross it easily, with little or no political intervention

Open boundary

400

Drawn by outside powers and may have ignored existing cultural patterns lack conformity to natural features

Superimposed boundary

400

established by legal document , such as a treaty that divides one entity from another ( invisible line )

Defined boundary

400

Water beyond any country's EEZ that is open to all states

High Seas

500

Meaning they are usually related to cultural phenomena 

Ethnographic 

500

A division that uses already - existing natural features that divide a territory such as rivers, deserts, or mountains

Physical consequent boundary

500

How a boundary will be maintained, how it will be function, and what goods and people will be allowed to cross

Administered boundary

500

One identified by physical objects placed on the landscape

Demarcated boundary

500

Drawn on a map by a cartographer to show the limits of space

Delimited boundary