Formulated in 1823, the Monroe Doctrine asserted that the Americas were no longer open to European colonization.
A、emphaticallystatedA
暂无解析
In the northeastern United States, it rains intermittently 间歇地 throughout the spring.
Whencarbonisaddedtoironintheproperproportions,theresultissteel.
By the nineteenth century, embroidery on men's clothing had virtually disappeared except for the occasional decorative vest and tie.
ThefirstimportantexpositionintheUnitedStateswasheldinPhiladelphiain1876.
Double Eagle in the first transatlantic balloon, was greeted by avid crowds in France.
