Which transportation system has had the BIGGEST impact on providing Georgians with consumer goods?

A) The Port of Brunswick
B) the MARTA rail system
C) Interstates 75, 85, & 20
D) Hartsfield-Jackson Airport

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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