<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>
Answer:
They wanted to expand their terratory
Explanation:
Since the US was almost complete, and only a few indian tribes lived in plantations made by the US goverment. The goverment wanted to make America whole so that is why they decided to wage war in the 19th century.
I feel like the last one. I think that being spiritual means you believe and have faith but don't follow the religions strictly. Meaning, Being Religous and right can cause political thinking because maybe religion talks about politics and since he is religious and right he will follow the politics that his/her religion teach. A black protestant may also be political because of the protestant reformation in Europe. Ther was a whole war/conflict between Catholics and protestants. It also influenced who would be a king or queen. It ruled politics.