Which of these is a simple sentence?
immigrants who came to work in factories lived in urban neighborhoods.
“old” immigrants often settled on farms, but most “new” ones lived in cities.
in the past, many immigrants had come from northern and western europe.
immigrants worked long hours and faced crowded living conditions.

confucius was a great thinker and teacher, and philosopher succeeded in laying the foundations beloved.

he many principles but waht   was speak about the relationships was the third .

the third important concept , the real man's idea. he is the man who lives up to the highest moral standards. man shows five virtues: in self, generosity, sincerity, perseverance, and benevolence. his relationship is described as follows: when a son is always loyal, as a father is just and gentle, as an administrator is loyal and loyal, and as a husband is honest and fair, and as a friend, he is faithful and languid. if everything is a true happiness conference, justice and harmony will rule the empire.