U Boat is called Undersea Boat. The following is the reason why germans used them to attack.
Explanation:
- U Boat is the abbreviation of Undersea Boat.
- It is also called as Unterseeboot.
- It is called a German submarine.
- There are many ships during the war.
- So to sink those many ships germans used the Undersea boat.
- The Germans sank 5000 ships during the world war.
- They measured more than 13 million gross register tons during the war.
- The Germans used them to attack those ships using the Undersea boat.
