Which caused the US Army to take over the atomic research project being conducted at Columbia University in the early 1940s? the first atomic bomb test a letter from Albert Einstein Japan's research into atomic bombs the US entry into World War II

U.S entry into world war II caused the us army to take over the atomic research project being conducted at columbia university in the early 1940s.

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the u.s. department of labor is a cabinet-level federal agency that supports the american labor force. it has three overall functions. first, it protects the rights of workers and retirees. second, it provides job training. third, it provides statistics related to working, prices, and income.