aIn the 1800s,many people feom other places or countries moved to live and work in New York City.But the conditions were too bad.Often there were six families living in a house. 在19世纪,许多人feom其他地方或国家被移动的居住和工作在纽约。,但条件是太坏的。经常有居住在房子里的六个家庭。[...