Question

How did U-boats attacks affects the fighting on land

Answer 1

U-Boat attacks affected fighting on land by being able to strike fire onto land before sending troops to fight on the beaches.

Answer 2

For British merchant vessels operating during World War 1, few things were so terrifying as the submarine. The German navy used the Unterseeboat, or U-boat, to sink 5,000 ship measure more than 13 million gross register tons during the war.