Vice Presidents gained more access to classified information when B) Harry Truman wasn't aware of the atomic bomb being built during WWII.
During WWII, the U.S. was working on the atomic bomb but it was so secretive that even Roosevelt's VP, Truman, did not know about it.
This led to more information being shared with the VP because Roosevelt died early in 1945 and Truman succeeded him without knowing prior of the dangerous weapon.
Find out more on the atomic bomb at https://brainly.com/question/140986.
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