If the Romulan's exist (which at this point, who the fuck knows), there is no way that the world's power structure would make such a treaty, or rather, there is no way that the world's power structure would honor such a treaty.
Cloaked ships are definitely on the table as "possible."
Maybe it’s in the photo, just cloaked.
Nope, Treaty of Algeron.
If the Romulan's exist (which at this point, who the fuck knows), there is no way that the world's power structure would make such a treaty, or rather, there is no way that the world's power structure would honor such a treaty.
Cloaked ships are definitely on the table as "possible."