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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The technique which two protesters of the Sardar Sarovar Dam project use to gain attention tot heir protests is: <span>a hunger strike/fasting
They began their fast to protest the central government that stands with the Sarovar dam project that endangers civilian's farm lands by increasing the height of the dam.</span>
The greatest negative impact of colonization was the exploitation of the natural resources by foreigners which did not benefit the local communities, but instead the colonizers
The colonial governments introduced improved medical care, and better methods of sanitation.
Long explanation: Marshall's ruling established the precedent of judicial review by which the Supreme Court has the final say on whether a law is constitutional or unconstitutional.
Short and simple Explanation: John Marshall established judicial review through it. The judicial review that was created allows a better system of checks and balances for the other branches of government to ensure that all actions are constitutional.