Which resulted from the trade network developed during the gupta empire? india developed a banking system. cultural advancements declined due to the focus on trade. india faced fewer threats from its enemies. the caste system spread through asia along trade routes.

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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