English grammar problems

Note that the theme of face is not the Democratic Party, but the ethical disaster; ;

Face is a euphemism. If you use challenge or confrontation, you will show strong confrontation. Obviously, face is not the only statement.

Face can be easily explained by gerund form, because the predicates here are piling up, so face must be modified by gerund form to modify the ethical dilemma.

The verb meaning of face comes from face, that is, face to face, don't think too much. As long as this statement is made by the British and Americans, remember that face is also used in this way. If the teacher said something else before, remember: today's new understanding of this usage is more reliable than what the teacher said.