Unrestricted submarine warfare is a type of naval warfare in which submarines sink vessels such as freighters and tankers without warning, as opposed to attacks per prize rules (also known as "cruiser rules").
Answer:
B. 18
Explanation:
The child will automatically gain citizenship if he is under the age of 18.
Since 18 is the age that you become a legal adult, if the child is under the age of 18, he will gain citizenship because he is still legally under control by his parents.
Germany and the soviet union!
