Final answer:
'Journey from St. Petersburg to Moscow' was written by Alexander Radishchev, a Russian writer and philosopher. The book provides a critique of the social and political conditions in Russia during that time and played a significant role in the literary and cultural landscape of the country.
Step-by-step explanation:
The correct answer is a. Radishchev.
'Journey from St. Petersburg to Moscow' is a travelogue written by Alexander Radishchev, a Russian writer and philosopher. The book was published in 1790 and describes the social and political conditions in Russia during that time. It was highly critical of serfdom and the ruling class, and as a result, Radishchev was accused of treason and sentenced to exile in Siberia. His work is considered an important piece of literature that foreshadowed the social and political changes that would later take place in Russia.'