The earliest Chinese people did not have to worry about invasions from foreign countries because:
A. geographic features protected the North China Plain.
B. foreign countries believed in the Chinese religion.
C. too many countries relied on China as a trading partner.
D. China gave foreign states gifts of bronze and silk.

What document does the second paragraph of the declaration of independence echo

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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

Classify the most significant contributions of the two major indian empires to world culture