"Waters were open before America existed."
The United States formed our Navy because of Islamic Pirate/Slavers causing a lack of open waters.
https://en.wikipedia.org/wiki/Barbary_corsairs
"The Barbary threat led directly to the United States founding the United States Navy in March 1794."
Have you tried reading anything other than Wikipedia
US navy literally doing piracy right now taking ships in international waters, destroying boats in Venezuela and Trump admitting to piracy.
Lol let's not talk about slavery when it comes to the USA
We should always talk about, challenge, and address slavery. Always.