Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
A、emphaticallystatedA
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ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Insectpestsareamongtheleadingcausesofcropfailure.
TheNativeAmericaninterpreterSacajaweawasavaluablememberoftheLewisanddarkexpeditionin1805.
MaryMcCarthyssatires讽刺文学arecouchedinaprosestylethathasaclassicprecision.
Inliterature,caricatures讽刺画usuallycontainverbalexaggerationthroughwhichthewriterachievescomicandoftensatiric讽刺effects.
