Why were U-boats so dangerous for England?

a. England had the biggest Navy among the Allies and lost the most men from U-boat
attacks.

b. U-boats were destroying ships that brought food and supplies to England to starve their citizens.

c. England was running out of money because their ships kept getting destroyed by U-boats.

d. U-boat torpedoes could reach the English shores and endangered thousands of civilians.

Respuesta :

Answer:

d. U-boat torpedoes could reach the English shores and endangered thousands of civilians.

Explanation:

One of the biggest dangers was of U-boat attack, when even a single boat could wipe out an entire convoy, provided that the boat was able to surface and attack using its deck gun. The mariners were in danger from the moment they lost view of the land.