PLZ HELP ME I RLY NEED THIS What causes Anne's mood to change from one day to the next? the progress of the war

the activities in the Annex

her own thoughts

the mood of their helpers

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 a. primary sources are historical documents, and secondary sources are modern-day documents.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