paragraph_text: During the Hellenistic period, the importance of "Greece proper" (that is, the territory of modern Greece) within the Greek-speaking world declined sharply. The great centers of Hellenistic culture were Alexandria and Antioch, capitals of the Ptolemaic Kingdom and the Seleucid Empire, respectively.

paragraph_text: The Battle of Trenton was a small but pivotal battle during the American Revolutionary War which took place on the morning of December 26, 1776, in Trenton, New Jersey. After General George Washington's crossing of the Delaware River north of Trenton the previous night, Washington led the main body of the Continental Army against Hessian mercenaries garrisoned at Trenton. After a brief battle, almost two - thirds of the Hessian force was captured, with negligible losses to the Americans. The battle significantly boosted the Continental Army's flagging morale, and inspired re-enlistments.

paragraph_text: Princeton is a municipality with a borough form of government in Mercer County, New Jersey, United States, that was established in its current form on January 1, 2013, through the consolidation of the Borough of Princeton and Princeton Township. As of the 2010 United States Census, the municipality's population was 28,572, reflecting the former township's population of 16,265, along with the 12,307 in the former borough.

paragraph_text: The Battle of Round Mountain was the first battle in the Trail of Blood on Ice campaign for the control of Indian Territory during the American Civil War and occurred on November 19, 1861. Its main purpose was to prevent Union supporters of the Creek Nation, led by Opothleyahola from fleeing Indian Territory to the protection of Union forces in Kansas.

paragraph_text: From 1805 to 1847, Detroit was the capital of Michigan (first the territory, then the state). Detroit surrendered without a fight to British troops during the War of 1812 in the Siege of Detroit. The Battle of Frenchtown (January 18–23, 1813) was part of a United States effort to retake the city, and American troops suffered their highest fatalities of any battle in the war. This battle is commemorated at River Raisin National Battlefield Park south of Detroit in Monroe County. Detroit was finally recaptured by the United States later that year.

paragraph_text: Baranya (, , / "Baranja", ) was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in southern Hungary (the present county Baranya) and northeastern Croatia (part of the Osijek-Baranja county). The capital of the county was Pécs.

paragraph_text: Being both a regional and provincial capital, Turku is an important administrative centre, hosting the seat of the Archbishop of Finland and a Court of Appeal. Aleksi Randell has been the mayor of Turku since 2010.

paragraph_text: The Kingston Powerhouse is a disused power plant in Canberra, the capital of Australia. It is located in the suburb of Kingston, Australian Capital Territory.

paragraph_text: Many of the crucial events of the American Revolution—the Boston Massacre, the Boston Tea Party, Paul Revere's midnight ride, the battles of Lexington and Concord and Bunker Hill, the Siege of Boston, and many others—occurred in or near Boston. After the Revolution, Boston's long seafaring tradition helped make it one of the world's wealthiest international ports, with rum, fish, salt, and tobacco being particularly important.

paragraph_text: On February 8, 1847, Doniphan continued his march with 924 men mostly from Missouri; he accompanied a train of 315 wagons of a large commercial caravan heading to the state capital. Meanwhile, the Mexican forces in the state had time to prepare a defense against the Americans. About 20 miles (32 km) north of the capital where two mountain ranges join from east to west is the only pass into the capital; known as Sacramento Pass, this point is now part of present-day Chihuahua City. The Battle of Sacramento was the most important battle fought in the state of Chihuahua because it was the sole defense for the state capital. The battle ended quickly because of some devastating defensive errors from the Mexican forces and the ingenious strategic moves by the American forces. After their loss at the Battle of Sacramento, the remaining Mexican soldiers retreated south, leaving the city to American occupation. Almost 300 Mexicans were killed in the battle, as well as almost 300 wounded. The Americans also confiscated large amounts of Mexican supplies and took 400 Mexican soldiers prisoners of war. American forces maintained an occupation of the state capital for the rest of the Mexican–American War.

paragraph_text: The Biblioteca Ayacucho ("Ayacucho Library") is an editorial entity of the government of Venezuela, founded on September 10, 1974. It is managed by the "Fundación Biblioteca Ayacucho". Its name, "Ayacucho", comes from the intention to honor the definitive and crucial Battle of Ayacucho that took place December 9, 1824 between Spain and the territories of the Americas, prior to the full independence of the continent.

paragraph_text: The Gudgenby River, a perennial river that is part of the Murrumbidgee catchment within the Murray-Darling basin, is located in the Australian Capital Territory, Australia.

paragraph_text: Kis-Küküllő was an administrative county (comitatus) of the Kingdom of Hungary. Its territory is now in central Romania (central Transylvania). Kis-Küküllő is the Hungarian name for the Târnava Mică River. The capital of the county was "Dicsőszentmárton" (now Târnăveni).

paragraph_text: Tatra County () is a unit of territorial administration and local government (powiat) in Lesser Poland Voivodeship, southern Poland, on the Slovak border. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and only town is Zakopane, which lies south of the regional capital Kraków. The county takes its name from the Tatra mountain range, which covers most of its territory.

paragraph_text: The Federal Capital Territory (FCT) was formed from New South Wales in 1911 to provide a location for the proposed new federal capital of Canberra (Melbourne was the seat of government from 1901 to 1927). The FCT was renamed the Australian Capital Territory (ACT) in 1938. The Northern Territory was transferred from the control of the South Australian government to the Commonwealth in 1911.

paragraph_text: Ngopa is a town in the Champhai district of Mizoram, India. It is located in the Ngopa R.D. Block, and it serves as headquarters for that block. It is also an important administrative centre containing important government offices. Ngopa is from the district's main city, Champhai, and from the state's capital city, Aizawl.

paragraph_text: The Death of General Mercer at the Battle of Princeton, January 3, 1777 is the title of an oil painting by the American artist John Trumbull depicting the death of the American General Hugh Mercer at the Battle of Princeton on January 3, 1777 during the American Revolutionary War. The painting was Trumbull’s first depiction of an American victory. It is one of a series of historical paintings on the war, which also includes the "Declaration of Independence" and "The Capture of the Hessians at Trenton, December 26, 1776".

paragraph_text: The Battle of Princeton was a battle of the American Revolutionary War, fought near Princeton, New Jersey on January 3, 1777. Lieutenant General Charles Cornwallis had left 1,400 British troops under the command of Lieutenant Colonel Charles Mawhood in Princeton. Following a surprise attack at Trenton early in the morning of December 26, 1776, General George Washington of the Continental Army decided to attack the British in New Jersey before entering winter quarters. On December 30, he crossed the Delaware River back into New Jersey. His troops followed on January 3, 1777. Washington advanced to Princeton by a back road, where he pushed back a smaller British force but had to retreat before Cornwallis arrived with reinforcements. The battles of Trenton and Princeton were a boost to the morale of the Continental troops, leading many recruits to join the Continental Army in the spring.

paragraph_text: New Jersey's 15th Legislative District is one of 40 in the New Jersey Legislature, covering the Hunterdon County municipalities of East Amwell Township, Lambertville City and West Amwell Township; and the Mercer County municipalities of Ewing Township, Hopewell Borough, Hopewell Township, Lawrence Township, Pennington Borough, Trenton City and West Windsor Township.

paragraph_text: Braddon (postcode: 2612) is an inner north suburb of Canberra, Australian Capital Territory, Australia located adjacent to the Canberra CBD.

Question: What was the importance to the American Revolution of the battle named after the capital of the county where Princeton is also located?
Answer: significantly boosted the Continental Army's flagging morale, and inspired re-enlistments