One progressive reform was the direct primary. in a direct primary, who chooses the candidates for each political party?

a.
voters in special preliminary elections

b.
party officials in closed caucus

c.
state legislators belonging to that party

d.
the u. s. senate in legislative session

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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.