4. What was the main reason for sectional differences that existed in the United States in the early 1800s? M. The North, South, and West produced similar products and were in competition with each other.
P. The North, South, and West had differing economic and political goals.
R. The North, South, and West were culturally unique because they attracted Immigrants from different parts of
the world.
S. The North, South, and West needed the same natural resources to produce products.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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