Head noun: line
Postmodifier: of demarcation

Same concepts
http://dbpedia.org/resource/Treaty_of_Tordesillas

Broader concepts

labelprovenanceconfidence
claimisap:882590450.166009

Narrower concepts

labelprovenanceconfidence
mason-dixon lineisap:1706376500.591187
fenceisap:2036518910.296036
thereisap:2033595570.283228
datumisap:2048430520.267577
howeverisap:735095640.254415
timeisap:1680430970.249012
nowisap:2479804690.224697
inferenceisap:1507050530.172139