Which of the following describes the most important effect the tank had on world war i?

a. the tank ended the use of trench warfare for defense.
b. the tank caused the war to last longer by killing so many soldiers.
c. the tank proved to be ineffective against bombs and guns.
d. the tank increased the use of trench warfare in world war i.

The statement that best describes the most important effect that the tank had on World War I is option A. The tank ended the use of trench warfare for defense. The tank was developed to break the defense lines of the enemy, thus allowing the entry of the infantry. They also withstood bombardments, machine-guns, and barbed wire. In that way at the end of WWI and the beginning of WWII trench warfare became obsolete.

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