[Answer] Which U.S. state is the leading producer of Christmas trees?

Step 1 : Introduction to the question "Which U.S. state is the leading producer of Christmas trees?"

...1. Oregon 2. Wisconsin 3. Colorado 4. Vermont

[Answer] Originally called “Brad’s Drink,” what soda allegedly cured indigestion?

Step 1 : Introduction to the question "Originally called “Brad’s Drink,” what soda allegedly cured indigestion?"

...Like so many other sodas, Pepsi began as a medicinal drink at a pharmacy. Caleb Bradham believed that his new drink, sold in New Bern, North Carolina, was a healthy treatment to aid indigestion. After it began to grow in popularity, Bradham changed the drink’s name to “Pepsi-Cola” in 1898 and trademarked it in 1903. That same year, Bradham moved into his first warehouse, officially launching his bottling company. There are a few theories about where the Pepsi name came from, but none have been confirmed by the company.

[Answer] Why is soda considered a “soft drink”?

Step 1 : Introduction to the question "Why is soda considered a “soft drink”?"

...The term “soft drink” originally differentiated flavored, carbonated non-alcoholic drinks from hard liquor. Soft drinks were heavily marketed toward Americans and recommended as a substitute for alcohol. While soda is by far the most popular type of soft drink, there are other forms throughout the world. Mineral waters are popular in Europe and Latin America, and Kava (made from the roots of a shrub) is a favorite in the Pacific islands.

[Answer] Where was soda first sold?

Step 1 : Introduction to the question "Where was soda first sold?"

...The “soda fountain” originated in the 1850s, when patrons would visit pharmacies to purchase fountain drinks to cure their ailments. At the time, soda was a carbonated drink with flavoring and medicines mixed in. By the 1920s, almost every drugstore had a soda fountain, where drinks, milkshakes, and ice cream sodas were sold. The popularity of the soda fountain came around the beginning of Prohibition, when people were thirsty for socialization outside of the home.

[Answer] Who did Queen partner with for the song “Under Pressure”?

Step 1 : Introduction to the question "Who did Queen partner with for the song “Under Pressure”?"

...In the early 1980s, Queen and David Bowie teamed up to create one of the top songs of the decade, “Under Pressure.” The song, which appeared on Queen’s 1982 album, “Hot Space,” was recorded at Mountain Studios in Montreux, Switzerland, where Bowie was also recording at the time. Bowie began visiting Queen’s recording sessions, and eventually they decided to team up for a song, resulting in this musical masterpiece.