I don’t know the answer but pls do not click the link the other person sent!! it is a scam
If im correct the answer should be Submarines and mines were an inexpensive and better way to engage battleships. I hope this helps. let me know if it doesnt
Well, if you look close enough there is proof look at the way that the continents are shaped and some fossils have been found in 2 places but on completely different continents.
The Spanish Conquistidors!
The answer is Convention
hope this helps :)