Which best describes what many immigrants encountered in us cities in the early 1800s?
spacious and clean apartment buildings
crowded and unsafe living conditions
crowded but safe living conditions
small but clean apartment buildings

Crowded and unsafe living conditions were what many immigrants encountered in United states cities in the early 1800s. The correct option among all the options that are given in the question is the second option. The cities became overcrowded with immigrants and disease spread very quickly as people lived in very unsafe and dirty conditions.