In 1861 it seemed inevitable that the Southern states would break away from the Union.
A、strangeB
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How many people are aware that a dancer with the New York City Ballet typically wears out a minimum of two hundred pairs of toe shoes per year?
ThecompanyissuesanannualreporteveryMarch.
Thefirstpaperwasmadefromthebarkofthemulberrytree.
The Salk vaccine is a major factor in the fight to eradicate polio.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
