Complex sentence: After the arrest of her husband in 1936 in the Stalinist purges, she divorced him in the same year, and had to submit to an investigation; was subject to an official Party reprimand until 1938.
Split into simpler sentences: After the arrest of her husband in 1936 in the Stalinist purges, she divorced him in the same year, and had to submit to an investigation. She was subject to an official Party reprimand until 1938.