United states pharmacopeia was establish in 1820
Despite its simple, almost folksy language, "Mending Wall" is a complex poem with several themes, beginning with human fellowship, which Frost first dealt with in his poem "A Tuft of Flowers" in his first collection of poems, A Boy's Will.<span> Unlike the earlier poem which explores the bond between men, "Mending Wall" deals with the distances and tensions between men.</span><span>The poem explores the contradictions in life and humanity, including the contradictions within each person, as man "makes boundaries and he breaks boundaries".</span><span> The poem also explores the role of boundaries in human society as mending the wall serves both to separate and to join the two neighbors, another contradiction</span>
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<u>R -</u> The ancient rulers of Russia choose to use Christianity for the establishment and maintenance of the nation and its government.
<u>A -</u> Okay
<u>C -</u> As per history, Prince Vldamir sent his emissaries to various countries to learn about their religions because felt that Russia would become a unified nation if it has its people practicing one single religion. The prince chose the Byzantine faith of Orthodox Christianity as the faith to bring his country of turmoil into harmony.
<u>E -</u> This Christianity was introduced into the East Slavic state of Kievan Rus by the Greek missionaries from Byzantium in the 9th century. Also, when Russia layed under the Mongol rule from the 13th through the 15th century, the Russian church enjoyed a central position by obtaining the immunity from taxing heavily.