The answer is D
Explanation: it’s not the same as the other options
The Blitskrieg was the mobile motorized warfare that allowed Germany to overwhelm Poland quickly in world war II
The great ancient civilizations flourished around river valleys because the rivers produce rich fertile soil and a supply of water for irrigation of crops and human consumption. This allows for the agricultural production to be greater and it can sustain more people.
Answer: I think it’s D
Explanation: hope this helps
