Final answer:
Immigrants and refugees commonly experience difficulties with assimilation, face discrimination, and tend to form communities with those of similar backgrounds to maintain their cultural identity.
Step-by-step explanation:
Challenges in assimilation, discrimination, and seeking community with others from similar backgrounds are common experiences of both immigrants and refugees. Whether they are fleeing political turmoil or seeking better economic opportunities, many immigrants and refugees encounter a more challenging welcome than they had anticipated. They often face prejudice and are sometimes forced to live in poor conditions, in overcrowded neighborhoods, risking exploitation and abuse. In the United States and other countries, immigrants have historically formed ethnic enclaves to preserve their cultural identity, such as Little Italy and Chinatown, which both offer support and contribute to urban congestion.