Blitzkrieg was so fast that the enemy didn't have time to prepare, whereas in WW1 where they fought in trenches, they would have to cross no-mans land and the enemy could see them coming
Answer:
The Columbian Exchange caused population growth in Europe by bringing new crops from the Americas and started Europe's economic shift towards capitalism
<span>the Byzantine emperor refused to help the pope defend against Rome from my invaders because he thought it was the pope's territory</span>
C. A recording of a speech by Franklin Roosevelt
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