2. The conditions faced by the Indian laborers described in the passage are most similar to those of (A)enslaved Africans in North America
(B)bureaucrats serving in song China
(C)guild members in European cities
(D)merchants involved in the trans-Saharan trade

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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