Yet Another Mystery Theme by VaccaD

WHAT BOXER, who won a gold medal at the 1992 Olympics shortly after graduating from high school, now owns a majority of boxing promoter Golden Boy Promotions and through it a 25% stake in MLS's Houston Dynamos?

WHAT COUNTRY's largest cities include Bo and Kenema, the latter of which was in the news in 2014 when ebola expert Sheikh Umar Khan contracted the disease and died at his clinic there?

In Ovid's Metamorphoses, WHAT MYTHOLOGICAL FIGURE was cursed by Juno for concealing Jupiter's affairs, helping doom her infatuation with Narcissus?

WHAT POLITICAL PARTY was Canada's official opposition party after the 1993 federal elections, but is now reduced to just two seats in the House of Commons?

WHAT CONFLICT, inspired in part by the demands of the radical Mingo Creek Association, saw the only time a sitting American president led troops in the field?

WHAT RULER has defeated an usurpation by his heir Kristoff Vernard and an attempt to establish a democratic regime under Lucia von Bardas, as well as an attempted restoration of the Fortunov dynasty by Zorba Fortunov?

WHAT 17-LETTER WORD, coined by William Whewell in a review of Charles Lyell's Principles of Geology and also associated with the earlier work of James Hutton, is defined by Wikipedia as "the assumption that the same natural laws and processes that operate in the universe now have always operated in the universe in the past and apply everywhere in the universe"?

Jolly Joes, Tropical Typhoon, and Berry Blast are varieties of WHAT CANDY made by Just Born, Inc.?

In WHAT NOVEL does an incident in the Marabar Caves eventually lead to magistrate Ronny Heaslop calling off his engagement to schoolteacher Adela Quested?

Citizens of WHAT COUNTRY voted it out of existence on October 2, 1870, although its government continued to operate in internal exile until becoming the government of a smaller successor country in 1929?

Bonus Question:

WHAT MOVIE, a 1996 comedy adaptation of a classic play by a notoriously schlocky studio, starred Will Keenan and Jane Jensen in the title roles and was narrated by Lemmy Kilmister of Motörhead?

Special Double Bonus Question:

WHAT ALBUM, officially released April 23, 2002 after being available for free online streaming for several months, ranked #3 on Rolling Stone's list of best albums of the decade and takes its name from an unauthorized sample from The Conet Project box set that appears in the song "Poor Places"?