battle of cambrai

• when was the battle of cambrai?

  20th October 1917
• what was changed so the germans wouldn't be alerted of the british attack?

  artillery barrage
• why were tanks used?

  it was easy to get across barbed wire and their machine guns were very effective
• how many tanks were used in the battle of cambrai?

  500
• who lost land on the fist day of the battle of cambrai?

  germans
• why did the british lose almost all the land they had taken?

  tanks didn't have enough infantry support meaning they couldnt defend and hold the land they had captured