Theyoungestoffivechildreninamiddle-classfamily,ClaraBar...
问题详情：Theyoungestoffivechildreninamiddle-classfamily,ClaraBartonwasbornonChristmasDay,in1821,inOxford,Massachusetts.Althoughshewaseducatedathome,Clarabeganteachingschoolherselfattheageoffifteenuntil...