Original sentence: Bows are a required and expected part of any apology or expression of thanks in East Asia, such as China and especially Japan and Korea.In both the People's Republic of China and Taiwan, three bows are normally executed at funerals including state funerals , ancestral worship, and at special ceremonies in commemoration of pater patriae Sun Yat-sen
Edited sentence: Bows are a required and expected part of any apology or expression of thanks in East Asia, especially Japan and Korea.In both the People's Republic of China and Taiwan, three bows are customarily executed at funerals including state funerals , ancestral worship, and at special ceremonies in commemoration of pater patriae Sun Yat-sen