In what ways did Early Agriculture change the lives of early man​

Answer the questions in the image for zoom in to read : )

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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

How does he election of president andrew jackson illustrate the nation’s westward growth?