[Answer] The film "Casablanca" was adapted from what unproduced stage play?

Step 1 : Introduction to the question "The film "Casablanca" was adapted from what unproduced stage play?"

...The 1942 film Casablanca was adapted from the unproduced stage play Everybody Comes to Rick’s, written by Murray Burnett and Joan Alison. Warner Bros. purchased the rights to the play before it was ever performed on Broadway, recognizing its strong dramatic potential and timely World War II setting. Although the film was not expected to become a major hit during production, it went on to become one of the most celebrated movies in Hollywood history, winning three Academy Awards, including Best Picture, Best Director, and Best Screenplay.

[Answer] American Express was co-founded by which famous financial duo?

Step 1 : Introduction to the question "American Express was co-founded by which famous financial duo?"

...American Express was co-founded in 1850 by Henry Wells, William Fargo, and John Butterfield as an express mail and freight business. Wells and Fargo are especially famous because they later co-founded the banking giant Wells Fargo the following year in 1852. Although American Express eventually became best known for credit cards, travel services, and financial products, the company originally specialized in transporting valuable goods, money, and mail across the country during the expansion of the American frontier.

[Answer] Which baseball legend surpassed Babe Ruth’s career home run record in 1974?

Step 1 : Introduction to the question "Which baseball legend surpassed Babe Ruth’s career home run record in 1974?"

...Hank Aaron broke Babe Ruth’s long-standing career home run record on April 8, 1974, when he hit his 715th home run during a game for the Atlanta Braves against the Los Angeles Dodgers. Ruth’s record of 714 home runs had stood for nearly 40 years and was considered one of the most famous achievements in sports history. Aaron eventually finished his career with 755 home runs, a record that stood until Barry Bonds surpassed it in 2007. Bonds went on to finish his career with 762 home runs, the current Major League Baseball record.

[Answer] The musical instrument, the triangle, belongs to what section of an orchestra?

Step 1 : Introduction to the question "The musical instrument, the triangle, belongs to what section of an orchestra?"

...The triangle is a percussion instrument that is made of a steel rod bent into the shape of – you guessed it – a triangle. And, as a percussion instrument, it is struck – most commonly with a metal beater, to give the instrument a bright, ringing tone. The triangle is an idiophone – or an instrument that, when struck, vibrates as a whole to produce a sound. The instrument is usually held by a loop of some form of thread or wire at the top curve. The triangle produces lots of overtones, or harmonics – which gives the instrument its distinctive sound.

[Answer] Who was the first student to give Wellesley College’s commencement speech in 1969?

Step 1 : Introduction to the question "Who was the first student to give Wellesley College’s commencement speech in 1969?"

...In 1969, future First Lady, U.S. senator, and secretary of state Hillary Clinton — then known as Hillary Rodham — made history by becoming the first student ever selected to deliver the commencement address at Wellesley College. Her speech gained national attention for its thoughtful criticism of politics and leadership during a turbulent era marked by the Vietnam War and widespread social change. The address was so well received that it was later featured in Life magazine, helping launch her into the national spotlight decades before entering the White House.