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.