How did tanks impact ww1

Tanks were one of the most important improved technologies the U.S created in order to defeat the Germans in which was able to blow up the trenches made by the group they were fighting making them vulnerable and a clear shot for the U.S to have an advantage. :)

Explanation:

on the morning of  july 21,  1861, general mcdowell ordered the  unionarmy to attack. it was on this hill that  confederate  colonel thomas jackson and his forces held back theunion  troops.

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