How did the us computer eniac the war effort? it did complex calculations needed to accurately fire artillery. it did complex calculations that planned battle strategies. it decoded the german language. it decoded the japanese language.

On e2020 the answer is A. It did complex calculations needed to accurately fire artillery.

Explanation:

ENIAC (/ˈɛniæk/; Electronic Numerical Integrator and Computer was the first electronic general-purpose computer. It was Turing-complete, digital and able to solve "a large class of numerical problems" through reprogramming.

ENIAC was designed and primarily used to calculate artillery firing tables for the United States Army's Ballistic Research Laboratory (which later became a part of the Army Research Laboratory).  Its first program was a study of the feasibility of the thermonuclear weapon.

A.It did complex calculations needed to build the atomic bomb.

Explanation:

Correct on e2020

a they donate money to humanitarian causes

c   they volunteer to alleviate suffering

d   they blame all muslims for not being able to keep their fellow muslims in line.