The War Industries Board was a United States government agency established on July 28, 1917, during World War 1, to coordinate the purchase of war supplies between the War Department and the Navy Department.
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OK so basically the main reason that had caused WWI was when the arch duke of Austria Hungary Franz Ferdinand was assassinated because the assassin had ties to a military group called the black hand so it had caused European powers to collide against each other.
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The answer is:
The Legislative Branch
The<span> Hohokam people are most known for leaving behind exotic stone and shell artifacts such as necklaces and earrings, that were generally associated with high-ranking social individuals. </span>