Answer:
Some of the girls sang their favorite song because they were having a singing contest
Explanation:
There's nothing really that means exactly "laughing at oneself," as far as I know, but some related words are self-ridicule and self-belittlement, though these have a more negative connotation. Hope this helps.
In these sentences, the point the author is trying to make is that nature does not care whether plants, animals, or humans live or die.
The overall theme of "The Trail of Meat" is nature, and while the winter itself may have made the journey nearly impossible, the author hints at nature's indiscriminatory behavior against anything with movement, "... It is not the way of the Wild to like movement. Life is an offence to it, for life is movement; and the Wild aims always to destroy movement. "
I believe this is an 'internal' conflict, because she has to decide on something, she has to think and choose the correct option, to confront her two opposing thoughts of whether to defend the people who hate her or to use violence to gain human rights. The conflict is inside of her, and that is why it is an internal conflict.