Atmospheric pressure<span> is </span>caused<span> by the weight of the </span>atmosphere<span> pushing down on itself and on the surface below it. </span>Pressure<span> is defined as the force acting on an object divided by the area upon which the force is acting.
http://nova.stanford.edu/projects/mod-x/id-pres.html
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The organization of the Articles of the Constitution reveal the importance of the separation of powers in effective government and American democracy. The first three articles outline the functions and division of powers of the three branches of government. This is followed by an article on federalism which is also about division of powers between the federal government and states
<span>Merchants in the middle ages were business people who participated in retail and trade. The term “merchant” comes from the Latin term “mercer” which means trafficking and from the French term “mercies” which means wares. Thus, the medieval merchant was seen as both a trader and trafficker of wares across countries. The middle ages merchant sourced for his products during his travels and would then sell them in markets and shops or at fairs. </span>
That would be England, I believe. I'm sorry if I am wrong.
