Complex sentence: Arrested in 1914 as an Austrian subject, her husband was detained in an internment camp during the beginning of the ppFirst World Warthe war, Claire Bertrand did exhibitions in 1921 and 1922 in the Salon of the National Society of Fine Arts.
Split into simpler sentences: Arrested in 1914 as an Austrian subject, her husband was detained in an internment camp during the beginning of the First World War. After the war, Claire Bertrand did exhibitions in 1921 and 1922 in the Salon of the National Society of Fine Arts.