Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
A、emphaticallystatedA
暂无解析
Thewheelsofthefirstroadvehicleswerefashionedfromcrudestonedisks.
Someanimalspantandsweattospeedevaporationofbodymoistureandthuscoolthemselves.
DoubleEagleinthefirsttransatlanticballoon,wasgreetedbyavidcrowdsinFrance.
ThefuturesurvivalofthebaldeagleisstillanimportantAmericanecologicalconcern.
Oneofthegreatestbreakthroughsforprofessionalwomencamein1973whenthefieldofbankingopenedupforthem.
