Answer:
I believe it's character vs society
Explanation:
'They' is not in reference to Anne herself aswell as it is not referring to a singular character.
Society is the reason her father lost his business, she had to turn in her bike, couldn't go to a Dutch school, etc.
That Britain only did so out of self-interest
They'd be considered the top/leading writer. An editorial is like the person who finalizes an article on behalf of the newspaper company.
This is really sweet of you