The little match girl herself
Emily and Tamra are both proper nouns. Careful is an adverb. Stuff is a noun. Is is a verb. With is a preposition. And always is an adverb.
The phrase "remembering the days when he would have gone outside" is describing the man. Participial phrases always have a participial, in this case remembering and have gone, and these phrases act like adjectives to describe the subject on the sentence. The answer is participial phrase.
Answer:
I think it's because it is a disease that has affected almost the whole world and it kills very fast without proper medication