Which of the following was NOT an objective of the US bombing campaigns? A. Destroy the defenses and industry of the North B. Persuade the North to stop supporting the Vietcong C. Kill and remove the main leader of North Vietnam D. Boost morale of South Vietnamese soldiers

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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