Answer:
Back in WW1 PTSD was treated with courses of electroshock therapy which were typically ineffective. Nowadays we use something called CBT which helps you to manage your problems by changing the way you think and act.
Explanation:
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Galileo's problem was that he was trying to teach people science which was in conflict with what the church preached. When he started questioning the church and providing scientific results the people started questioning as well which did not bode well for the church. The conflict got resolved with him abandoning his research and living a quite secluded life until he died.
There are different kinds of tactics. The tactic used in the early 1950's is described in this question is McCarthyism.
<h3>What was McCarthyism?</h3>
McCarthyism is the known to be a practice of making some kind of accusations of subversion and treason, mostly to those who are related to communism and socialism.
The Warren Court is said to have made a lot of rulings on civil and political rights that overturned a lot of McCarthyist laws and directives, and helped end the reign of McCarthyism.
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The correct option will be the last one: The Indians crossed artificial boundaries setting the stage for conflict. We know this because even though The US agreed to pay the various nations a cash payment every year as restitution for damage caused by white settlers' wagon trainsand the Native Americans agreed to limit themselves to a certain geographical area, to stop harassing white settlers, some people like the <span>Lakota Sioux refused to abide by it.</span>