Which of the following was a reason latin american countries had difficulty
establishing national unity during the nineteenth century?
oa) too much immigration during the nineteenth century in latin america
ob) too much religious diversity in latin america
oc) too many different languages were spoken in latin america
od) a number of geographical barriers in latin america

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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