The critical World War I battles were fought primarily along the trench lines of France and Belgium.
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What caused industrial psychologists to begin working with the military was <span>U.S. entry into WWI.
After years of upholding its isolationist policy of not getting involved with any wars it has nothing to do with, the US actually decided to go back on that decision and join the WWI. This is why many psychologists started working with the army in order to help the soldiers.
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to criticize new laws restricting immigration
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Martin Luther King as a preacher, pastor and civil rights leader during the Civil Rights movement in The United States during the sixties.