B and b mostly because it is odd for the sun to show in the night and the word rude has a negative connotation
Answer:
You haven't specified what idioms to use, as it is only specific to your lesson, and you haven't attached a photo/picture to describe
Explanation:
I think it's because they Africans were being robbed of their natural recourses so it is symbolic ever though you can't really steal a river I'm sorry if that doesn't make sense I hope it helped