Trinity Test in 1945 <span>was the </span>code name<span> of the first detonation of a </span>nuclear weapon. The test was a part of the Manhattan project that is led by the United States. The result of the Trinity Test led to the people involved conclude that it is a very dangerous weapon.
A. Persia. Persia was acquired after Prophet Muhammad's death. Hope my answer was useful.
<span> Military spending that began in 1940 to bolster the defense effort gave the nation’s economy the boost it needed, and millions of unemployed Americans returned to work to make the weapons of war needed to protect the United States
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Hoover believed that American "rugged individualism" would keep the economy moving.