Ural Question #4
Why were Ancient Chinese societies isolated from other cultures?
A
Chinese militaries were not strong enough to support explorations.
B
Chinese religions did not allow citizens to leave their hometowns.
С
Natural resources were scarce within the region.
D
Natural boundaries made exploration difficult.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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