War at Sea

• Why was it vital to control seas?

  To ensure supplies could reach home and soldiers abroad
• Why did countries not engage in wars at sea?

  Both sides couldn't risk their navies suffering damage and becoming vulnerable to attacks
• When was "The Blockade of Germany"?

  November 1914
• How did Britain block Germany's water trade routes?

  By declaring it a war zone, allowing Britain to seize cargo on German ships