Answer:
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<span>u.s. entry into WWI caused industrial psychologists to begin working with the military.After entering into world war-I there is a need for U.S to train their military and develop the army's strength and capability.Psychological research and treatment are important to national defense. Research can show how to improve military training, job assignment and equipment design. Treatment can help personnel cope with stress. Psychologists conduct research on human behavior and treat patients with mental problems. so,industrial psychologists to begin working with the military.</span>
The president who was most responsible for expanding the power of the presidency through the use of executive orders was Andrew Jackson. He dictated twelve executive orders, being the first American president to exceed ten executive orders during his term.
Executive orders are provisions issued by the President of the United States that administer the operations of the executive branch of the federal government.
Executive orders belong to administrative law, but have the force of law only when they are based on the executive powers granted directly to the President of the United States by the Constitution (Article II), or are dictated according to laws of Congress that explicitly delegate to the President a certain degree of discretionary power (delegated legislation).
5 Contributing Factors to WW1. I believe that the factors that led the world to World War 1 were Imperialism, Nationalism, Militarism, Alliances and Assassination, as each played its own role in contributing to the beginning of the Great War.
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