Regardless of the author, 5th-grade History (History of the Ancient World) typically covers these key areas:
The caste system, Buddhism, and the Great Wall.
Civilizations of Egypt, Mesopotamia, Phoenicia, and Assyria.
Detailed answers for the Drofa publishing house version are available on Gitem.me .
You can find comprehensive solutions for 5th-grade History workbooks on several educational platforms. Since there are different authors, the "best" answer key depends on which specific workbook you are using.