Your best choice here is option C as America went to war with Spain over control of Cuba because of their economic interests in the island.
There are several ways in which the Chinese government reacted to demands for democratic reform, but most of them were violent suppressions of protests.
during world war ii, the last attempt by the germans to stop the allied advance on the western front took place at : the battle of the burge.
This battle actually caught the allied forces on the western front by surprise and caused massive casualties on the side of allied forces. But Germany also experienced massive depletion in both military men and supplies which actually leave their last defense become vulnerable and eventually lead to their defeat.