Answer and Explanation:
The author shows how immigrants had cultures, customs, religions and backgrounds completely different from each other. This caused some ethnic enclaves to emerge among them. In addition, many Americans did not accept the arrival of immigrants and therefore promoted numerous cases of xenophobia and prejudice.
The author also shows how immigrants had to live in places with precarious and overpopulated structures. Not to mention the abusive and poorly paid jobs that were reserved for them.
