One of the main reasons why Empress Dowager allowed the Boxers to exist was because "<span>She wanted to use the Boxers to get rid of the foreigners," since the main part of the Boxer Rebellion was to rid China of foreign influence and culture. </span>
The soil was held together by grass roots. It was called sod. Settlers were called sodbusters because they had to break through the sod to plant crops. There was not a lot of wood, so settlers used sod to build homes.
Explanation:
I think C is more reasonable than the others, but I'm not sure. Correct me if I'm wrong.