Building & Controlling Waterways

Present day events have influenced my latest non-fiction book; one on the building of the Panama Canal. Through all the effort and maintenance, at what level does the regional authority have control over a waterway?

Executive Producers:

LadyGetOverIt

Steve E

DameSlamy

https://www.goodreads.com/book/show/2372.The_Path_Between_the_Seas

How Gigantic Ships Cross the Panama Canal:

https://www.youtube.com/watch?v=nnsAUPuOYaY

Time Code: ~10:00

https://en.wikipedia.org/wiki/Suez_Canal

https://en.wikipedia.org/wiki/White_Sea%E2%80%93Baltic_Canal

https://funfact.topnewsource.com/gulags-bloody-waterway-the-shocking-truth-of-the-white-sea-baltic-canal