The writer wants to add a sentence after sentence 2 that previews the main line of reasoning in the paragraph. Which of the following best achieves this goal?

A. The Knights of Columbus, along with the Italian American Leader Generoso Pope, were instrumental in lobbying to have Columbus Day declared a federal holiday

B. When President Franklin Delano Roosevelt declared Columbus Day a holiday, it was celebrated on October 12 of every year until 1971.

C. However, several states-Alaska, Florida, Hawaii, Oregon, South Dakota, and Vermont-do not celebrate Columbus Day at all

D. In the last few decades, however, a new holiday has been celebrated on that second Monday in October: Indigenous Peoples’ Day

E. Instead of Columbus Day, however, people in Hawaii celebrate Discovers’ Day on the second Monday in October