In the meantime, notes:
- The classic study of State use of smooth space is Mahan’s “Influence of Sea Power Upon History, 1660-1783,” and you can find that here:
https://www.gutenberg.org/files/13529/13529-h/13529-h.htm
- The meaning and implications of the Monroe Doctrine continue to be fodder for scholarly contestation. The proceedings of a recent, not particularly radical symposium on the topic will perhaps give you a flavor of some perspectives in the contemporary mainstream:
https://www.hsozkult.de/conferencereport/id/fdkn-138430
