Problem: Background: Rockefeller was the second of six children and eldest son born in Richford, New York to con artist William Avery "Bill" Rockefeller (November 13, 1810 - May 11, 1906) and Eliza Davison (September 12, 1813 - March 28, 1889). His siblings were Lucy (1838-1878), William Jr. (1841-1922), Mary (1843-1925) and twins Franklin (Frank) (1845-1917) and Frances (1845-1847). His father was of English and German descent while his mother was of Scots-Irish descent. Bill was first a lumberman and then a traveling salesman who identified himself as a "botanic physician" and sold elixirs.
Context: The strike, called in September 1913 by the United Mine Workers, over the issue of union representation, was against coal mine operators in Huerfano and Las Animas counties of southern Colorado, where the majority of CF&I's coal and coke production was located. The strike was fought vigorously by the coal mine operators association and its steering committee, which included Welborn, president of CF&I, a spokesman for the coal operators. Rockefeller's operative, Lamont Montgomery Bowers, remained in the background. Few miners actually belonged to the union or participated in the strike call, but the majority honored it. Strikebreakers (called "scabs") were threatened and sometimes attacked. Both sides purchased substantial arms and ammunition. Striking miners were forced to abandon their homes in company towns and lived in tent cities erected by the union, such as the tent city at Ludlow, a railway stop north of Trinidad. Under the protection of the National Guard, some miners returned to work and some strikebreakers, imported from the eastern coalfields, joined them as Guard troops protecting their movements. In February 1914, a substantial portion of the troops were withdrawn, but a large contingent remained at Ludlow. On April 20, 1914, a general fire-fight occurred between strikers and troops, which was antagonized by the troops and mine guards. The camp was burned, resulting in 15 women and children, who hid in tents at the camp, being burned to death. Costs to both mine operators and the union were high. This incident brought unwanted national attention to Colorado. Due to reduced demand for coal, resulting from an economic downturn, many of CF&I's coal mines never reopened and many men were thrown out of work. The union was forced to discontinue strike benefits in February 1915. There was destitution in the coal fields. With the help of funds from the Rockefeller Foundation, relief programs were organized by the Colorado Committee on Unemployment and Relief. A state agency created by Governor Carlson, offered work to unemployed miners building roads and doing other useful projects. The casualties suffered at Ludlow were successfully labeled a massacre and mobilized public opinion against the Rockefellers and the coal industry. The United States Commission on Industrial Relations conducted extensive hearings, singling out John D. Rockefeller Jr. and the Rockefellers' relationship with Bowers for special attention. Bowers was relieved of duty and Wellborn restored to control in 1915, then industrial relations improved. Rockefeller denied any responsibility and minimized the seriousness of the event. When testifying on the Ludlow Massacre, and asked what action he would have taken as Director, John D. Rockefeller stated, "I would have taken no action. I would have deplored the necessity which compelled the officers of the company to resort to such measures to supplement the State forces to maintain law and order." Rockefeller admitted that he had made no attempt to bring the militiamen to justice.
Question: What was the strike about?
Answer: over the issue of union representation,

Background: Eunhyuk was born Lee Hyuk-jae in Seoul, South Korea. He has an older sister Lee So-ra. Raised in a family that struggled financially, he was interested in street performing as a child. Inspired by the likes of H.O.T's Jang Woo-hyuk, Michael Jackson and singer-dancer Yoo Seung-jun, Eunhyuk trained himself at a young age.
Context: On 26 February 2010, Eunhyuk was diagnosed with H1N1 influenza, but was set to appear as a guest at label mate Girls' Generation's Into the New World encore concert in Seoul, hence had to pull out and was replaced by bandmates Leeteuk and Heechul. Super Junior released their 4th studio album, Bonamana, with similar success in Korea, sweeping awards in music programs after the release date. Their follow-up song, Boom Boom, was choreographed by Eunhyuk and performed on music programs Inkigayo and Music Core. On October 8, 2010, the digital single 'Angel' for HARU OST was released, with Eunhyuk featuring a rap verse. In 2011, Eunhyuk, along with Sungmin was placed two new members of Super Junior-M. On 27 September 2011, he along with Yesung and Shindong filled in for bandmate Heechul, who enlisted for mandatory military service on 1 September, during the performance on Music Bank and Show! Music Core of Kim Jang-hoon latest single, "Breakups are So Like Me". Heechul is featured in the song and starred in the music video, which was completed the day before he enlisted. Mr. Simple, Super Junior's award-winning 5th studio album, was promoted heavily with Eunhyuk participating in much of the album's production through choreography, and rap lyrics for the track, Oops. The album sold over 500,000 units and won the Disk Daesang Award at the 26th Golden Disk Awards and 21st Seoul Music Awards, as well as Album of the year at the 13th Mnet Asian Music Awards. The album is listed as the 2nd best-selling album as of the year 2011. In November, Eunhyuk made his musical theatre debut in Fame, where he played Tyrone Jackson, along with Tiffany of Girls' Generation, Son Ho Young, Lina of The Grace and Kim Jung Mo of TRAX. It was on at the Woori Financial Art Hall from 25 November 2011 to 29 January 2012. It was announced on 30 November 2011 that after five years, he and Leeteuk would leave Super Junior's Kiss the Radio and was replaced by fellow members, Sungmin and Ryeowook on 4 December 2011.
Question: What was Super Junior-M?
Answer:
On 27 September 2011, he along with Yesung and Shindong filled in for bandmate Heechul, who enlisted for mandatory military service on 1 September,