What was the purpose of OPERATION LINEBACKER II [December 1972] (also known as the "Christmas bombings")?

Why did the paris peace conference negotiations last over a year?

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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

Why was there conflict in bosnia? a) bosnian serbs opposed independence. b) kosovar albanians had started a rebellion. c) nato forces could not restore order. d) serbia broke its alliance with bosnia.