1) rutherford b. hayes became the us president
a)he won a majority of the popular vote.
b)congress forged the compromise of 1877.
c)votes from four states were recounted.
d)he was a popular union general.

What is the main difference between primary and secondary sources? a. primary sources are historical documents, and secondary sources are modern-day documents. b. primary sources are derived from museums and archives, and secondary sources are created by history students and academics. c. primary sources are found in ancient places with a rich history, and secondary sources are found in historical journals and blogs. d. primary sources are created during a particular historical era, and secondary sources are created by studying primary sources.