Which consequence is intentional a some sailors and conqistadors have smallpox. they come in contact with native americans who contract the disease and die after infecting their relatives and neighbors b europeans take corn to africa. corn becomes an important crop there. c affluent europeans buy sugar from merchants in european cities. millions of people in africa are kid-napped by african slav3 traders and sold to european sugarcane planters in the carribean

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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