Respuesta :
Answer:
There were too many lakes and rivers.
Explanation:
The French thought that the Ardennes was a naturally impenetrable region because it had very hilly terrain full of trees, lakes, and rivers. For this reason they didn't defend it as much as they did the other border areas. This proved to be a mistake when the German Army invaded France through the forest.
I hope this helped!
Answer:
It was too hard for tanks to fight there.
Just did it and got 100