I believe since there were multiple battles taking place in the American Revolution and not just one. Might be why the chose Revolutions.
Under the terms of the Articles of Confederation, each state was authorized toretain its role as a sovereign, independent entity, with every authority notspecifically assigned to the national government. For taxing purposes, each state was to meet a quota determined by the value of granted or surveyed land in<span>order to cover the costs of the war against Britain.
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<span>A reason for the growth of large mental institutions during the 1800s is due to poverty in that era, causing mental health problems such as depression and problems brought on by the stress and anxiety of struggling to afford to live. This increased the requirement for mental institutions.</span>
<span>National Environmental Policy Act (NEPA)
</span><span>Clean Air Act</span>