How does the author of "How We Entered World War I" organize the information in the text?

1.The author explains the decision to go to war by comparing and contrasting events that led to World War I.

2.The author presents her interpretation and opinions about the United States and its reasons for entering World War I.

3.The author outlines events chronologically to give a complete account of the United States entering World War I.

4.The author offers opinions of those living in the United States and how they felt about the country's involvement in the war.