How did technology effect world war 2a. it had no effect beacuse the war was fought on the groundb. the use of the tanks and other vehicles shortened the war c. fewer people died because of the new method protection d. it provide more powerful and deadly wepons

The main reason the us senate rejected the treaty of versailles was because, isolationists felt the us should not have gotten into the war. republicans had gained power in the senate. democrats had gained power in the senate. european nations wanted to punish germany.