Plsss Help How many social classes and family structures have provided order to Chinese society? What was the relationship between social class and filial piety?

What was new about the writing system developed by the phoenicians, and why was this important to the growth of knowledge and spread of ideas?

Explain the importance of carnegie, morgan, and rockefeller on the american political scene of the early 1900's.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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