Respuesta :
Answer:
D) the US entry into World War II
Explanation:
correct on edge 2021
There are different outcomes in wars. The option that caused the US Army to take over the atomic research project being conducted at Columbia University in the early 1940s is the US entry into World War II.
What led the United States to make the atomic bomb?
The Manhattan Project was known to be the code name for the American ability to create a functional atomic bomb in course of the War II.
The Manhattan Project was done due to the fears that German scientists had been working on a nuclear weapon. The U.S entry into world war II was known to have lead the US army to take over the atomic research project.
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