The statement that in 1799, should the U.S. have gone to war with France, French males of age would be arrested is true.
This means that should the U.S. have entered into war with France, they had the legal right to arrest and deport French males above the age of 14 provided they were not American citizens.
In conclusion, this is true.
Find out more on the Alien and Sedition Acts at https://brainly.com/question/1056925.