Since official keys are rarely published by the authors for student use, you can find help through the following channels:
Searching for answers to the by S.V. Panov, V.A. Koshelev, and N.V. Baidakova can be challenging since these materials are regularly updated to match the national curriculum. Since official keys are rarely published by the
: Focus on the 1790s (partitions), 1812 (Napoleonic wars), and the reforms of the 1860s. These are frequent topics for workbook fill-in-the-blank tables. 1812 (Napoleonic wars)