Based on the information given, the correct summary will be "This source lists European countries that immigrants left and provide examples of why they came to America".
It should be noted that when writing, it's important for the researcher to use credible sources.
In this case, since Nicole is researching how European immigrants impacted the United States, the best way to summarize it will be "This source lists European countries that immigrants left and provide examples of why they came to America".
Learn more about sources on:
https://brainly.com/question/1279931
