Question: Sam Houston, was a bodyguard to Gen. George Washington and was one of the first residents of Searsport, Maine, and is depicted in which 1851, oil-on-canvas painting by the German American artist Emanuel Gottlieb Leutze? 

Context articles: Westward the Course of Empire Takes Its Way
David Leavitt (banker)
Emanuel Leutze
The Monarch of the Glen (painting)
Sam Houston (Maine)
Washington Crossing the Delaware (sonnet)
Scene from A Midsummer Night's Dream
Washington Crossing the Delaware
The Death of the Earl of Chatham
The Sortie Made by the Garrison of Gibraltar

Westward the Course of Empire Takes Its Way (also known as Westward Ho) is a 20 x painted mural currently displayed behind the western staircase of the House of Representatives chamber in the United States Capitol Building.
 The mural was painted by Emanuel Gottlieb Leutze in 1861 and symbolizes Manifest Destiny, the belief that the United States was destined for Western exploration and expansion originating from the initial colonies along the Atlantic seaboard to the Pacific Ocean.
 A study measuring 33+1/4 x hangs in the Smithsonian American Art Museum.
David Leavitt (August 29, 1791 – December 30, 1879) was an early New York City banker and financier.
 As president of the American Exchange Bank of New York during the Financial Panic of 1837 he represented bondholders of the nascent Illinois and Michigan Canal, allowing completion of the historic canal linking the Midwest with the East Coast.
 For his role in helping prevent the collapse of the canal scheme, Chicago authorities named Leavitt Street after the financier.
 Leavitt was also an early art collector, and many of the artist Emanuel Leutze's paintings, including that of Washington at Valley Forge, were initially in Leavitt's collection housed at his Great Barrington, Massachusetts estate.
Emanuel Gottlieb Leutze (May 24, 1816July 18, 1868) was a German American history painter best known for his painting "Washington Crossing the Delaware".
 He is associated with the Düsseldorf school of painting.
The Monarch of the Glen is an oil-on-canvas painting of a red deer stag completed in 1851 by the English painter Sir Edwin Landseer, which was commissioned as part of a series of three panels to hang in the Palace of Westminster in London.
 It was one of the most popular paintings throughout the 19th century, and reproductions in steel engraving sold very widely, and the painting itself was finally bought by companies to use in advertising.
 The painting had become something of a cliché by the mid-20th century, as "the ultimate biscuit tin image of Scotland: a bulky stag set against the violet hills and watery skies of an isolated wilderness", according to the "Sunday Herald".
Sam Houston () was a bodyguard to Gen. George Washington and was one of the first residents of Searsport, Maine.
 He is depicted in the painting "Washington Crossing the Delaware", and his cutlass and chest are on display at the Penobscot Marine Museum.
Washington Crossing the Delaware is a sonnet that was written in 1936 by David Shulman.
 The title and subject of the poem refer to the scene in the painting "Washington Crossing the Delaware" by Emanuel Gottlieb Leutze.
 The poem is noted for being an anagrammatic poem – in this case, a 14-line rhyming sonnet in which every line is an anagram of the title.
Scene from A Midsummer Night's Dream.
 Titania and Bottom is an 1851 oil-on-canvas painting by British artist Edwin Landseer.
 Landseer was mainly known for his paintings of animals: this is his only painting of a fairy scene.
 The painting depicts a scene from the third act of William Shakespeare's play "A Midsummer Night's Dream".
 It has been in the collection of the National Gallery of Victoria in Melbourne, Australia since 1932.
Washington Crossing the Delaware is an 1851 oil-on-canvas painting by the German American artist Emanuel Gottlieb Leutze.
 It commemorates General George Washington's crossing of the Delaware River on the night of December 25–26, 1776, during the American Revolutionary War.
 That action was the first move in a surprise attack against the Hessian forces at Trenton, New Jersey, in the Battle of Trenton on the morning of December 26.
The Death of the Earl of Chatham is the title of a 1781 oil-on-canvas painting by Boston-born American artist John Singleton Copley.
 It depicts the collapse of William Pitt, 1st Earl of Chatham on 7 April 1778, during a debate in the House of Lords on the American War of Independence.
 Chatham is surrounded by peers of the realm, and the painting contains fifty-five portraits.
The Sortie Made by the Garrison of Gibraltar (also called The Sortie made by the Garrison of Gibraltar in the Morning of the 27 of November 1781) is the title of a 1789 oil-on-canvas painting by American artist John Trumbull.
 The painting shows a key point in Gibraltar's history when the Great Siege of Gibraltar was undertaken by the Spanish against the British at Gibraltar in November 1781.
 The Spanish officer Don Jose de Barboza is being given respect as he lies dying.
 Although left behind by his own retreating troops he still unsuccessfully attacked the British troops with chivalry.