Ayuda es para mañana en la mañana pliss ​

After the civil war which president was called a "carpetbagger"? a.lincolnb.johnsonb. grant

Which of the following actions best shows how a historian would study the historiography of the french revolution? o a. reading about how earlier historians wrote about the french o b. creating a map of the important events of the french revolution o c. writing an unbiased history book about the french revolution's revolution leader o d. placing key events of the french revolution in chronological order

Who did the first work in creating vaccines