Surveyors in the 16th century could measure latitude with great accuracy, but measuring longitude was much more difficult, mainly because there were not instruments for giving

It seem like there are information missing on the question posted. Let me answer this question with all I know. So here is what I believe the answer is,  because there were not instruments for giving its position with respect to its longitude.

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Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.

1. antarctica2. saudi arabia