What is the function of words and phrases such as on the other hand, also, and in other words?

a. they summarize what came before.
b. they introduce a text.
c. they transition to another thought.
d. they offer support to the text.

The brother of a presidential candidate writes an editorial in which he defends this candidate against charges of corruption. in such a circumstance, it is most appropriate for the reader to a) suspect that the candidate may have been framed. b) consider whether the candidate has the best family or not. c) wonder if the writer may be biased, due to his family connection. d) wonder if the writer may be inaccurate, due to wanting to get people to read his column. \

Brendan is playing in the backyard.

What is one thing that happened to benno harte when he and his family left france to escape the nazis?