[Answer] Which man owned the land that became Arlington National Cemetery?

Step 1 : Introduction to the question "Which man owned the land that became Arlington National Cemetery?"

...Arlington National Cemetery is the burial ground for more than 400,000 active duty service members, veterans and family members. The cemetery contains the Tomb of the Unknown Soldier, a monument dedicated to U.S. service members whose remains were never identified. The site is the former home of legendary Confederate General Robert E. Lee. The cemetery was established during the Civil War on the grounds of Arlington House, which had been the estate of Robert E. Lee and his wife Mary Anna Custis Lee. After the Lees abandoned the property at the start of the Civil War, the U.S. Army seized the estate to defend Washington, D.C.

[Answer] Which U.S. President had his sister initially serve as First Lady?

Step 1 : Introduction to the question "Which U.S. President had his sister initially serve as First Lady?"

...Before marrying Frances Folsom in 1886, President Grover Cleveland relied on his sister, Rose Cleveland, to serve as First Lady during the early part of his presidency. Rose Cleveland was highly educated and intellectually respected, though she was less interested in the social and ceremonial duties traditionally associated with the role. After Grover Cleveland married Frances Folsom at the White House, Frances became First Lady at just 21 years old, making her the youngest and most admired First Ladies in American history.

[Answer] Before becoming an A-list actor, Kevin Costner played a dead person in which movie?

Step 1 : Introduction to the question "Before becoming an A-list actor, Kevin Costner played a dead person in which movie?"

...Early in his career, Kevin Costner nabbed a part in the star-studded dramedy The Big Chill. Costner, still years away from being famous in his own right, was originally supposed to play a character who died by suicide and filmed various flashback scenes for the film. When it hit theaters, however, Costner was noticeably missing from The Big Chill, featured only as a corpse with just seconds of screen time. Needless to say, Costner’s career recovered, and Big Chill writer-director Lawrence Kasdan gave his friend a consolation prize by casting him as one of the leads in the well-regarded 1985 Western Silverado.

[Answer] Which of these popular card games was invented in Uruguay?

Step 1 : Introduction to the question "Which of these popular card games was invented in Uruguay?"

...Canasta was invented in Uruguay in the late 1930s by lawyers Segundo Santos and Alberto Serrato. The game was created in Montevideo as a faster and more strategic variation of traditional rummy-style card games. Canasta quickly spread throughout South America before becoming enormously popular in the United States during the 1940s and 1950s, especially among celebrities, social clubs, and family card groups across the country. The name “Canasta” comes from the Spanish word for “basket,” referring to a complete meld of seven cards.

[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.