Original sentence: According to some Filipino historians, such as Teodoro Agoncillo, the true "Balangiga massacre" was the subsequent retaliation against the Samar population and guerrillas when American soldiers burned whole towns during the March across Samar
Edited sentence: According to some Filipino historians, such as Teodoro Agoncillo, the true "Balangiga massacre" was the subsequent retaliation against the Samar population and guerrillas when American soldiers turned arsonists burning whole towns during the March across Samar