What is a good topic sentence for a world history essay?

What was president nixon’s approach of using tension between us and other nations

What are some of the difficulties that the japanese face due to the islands' geography?

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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