The type of rhetoric is being used to Persuade the audience is Pathos
Explanation:
The sentence provided is showing how immigrants in the past were looking for something better for the ones they loved, by using the elements of fighting to provide the family pathos is being used to persuade the audience since everyone can have a fast emotional connection to the topic and even more the people who already have children.
I believe this is the answer. If the writing was connected, sentences would already be combined. Varied writing and lengthy writing usually has nothing to do with sentence combination.</span>