What is the purpose of the question and answer format of an article?

When creating the treaty of versailles, each member of the 'big three' had different agendas. how did each member want to deal with rebuilding europe?meee lol in advance!

Which of the following is a good way to avoid aggression on the road ? a. gripping the steering wheel tightly b. taking some deep breaths c. turning up the temperature

President nixon resigned from office in 1974 after he was informed that the senate would impeach him, as allowed in the constitution, for his actions in the watergate scandal. one of the key reasons that nixon’s actions became public was a) the freedom of press guaranteed by the first amendment. b) the right to confront witnesses as guaranteed by the sixth amendment. c) the limitation of judicial powers as defined in article 3 of the constitution. d) the prohibition against illegal search and seizure as guaranteed by the fourth amendment.