In America when a mistake has made状语
it （形式主语,真正的主语是后面两个to引导的动词短语）is considered fitting for the person as fault （宾语部分） / to zknowledge his or her error and to apologize to anyone who has been inconvenienced（定语从句,修饰anyone）.
consider fitting for the person动词词组 ,as fault修饰person