Question: what was the main importance of the battle in the capital of the state covered in The Cartel?

<P0-S0> operation sinaloa or operation culiacan - navolato (spanish: operacion sinaloa/operacion conjunto sinaloa) is an ongoing anti-drug trafficking operation in the mexican state of sinaloa by the federal police and the mexican armed forces. <P0-S1> its main objective is to cripple all cartel organizations such as the sinaloa cartel, beltrán-leyva cartel and los zetas that operate in that state. <P0-S2> the military was deployed in response to the murder of mexico's federal police commissioner édgar eusebio millán gómez. <SEP> <P1-S0> 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. <P1-S1> 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 soldiers garrisoned at Trenton. <P1-S2> After a brief battle, nearly the entire Hessian force was captured, with negligible losses to the Americans. <P1-S3> The battle significantly boosted the Continental Army's flagging morale, and inspired re-enlistments. <SEP> <P2-S0> The Cartel is a 2009 American documentary film by New Jersey-based television producer, reporter and news anchor Bob Bowdon, that covers the failures of public education in the United States by focusing on New Jersey, which has the highest level of per-student education spending in the U.S. <P2-S1> According to The Internet Movie Database (IMDb), the film asks: "How has the richest and most innovative society on earth suddenly lost the ability to teach its children at a level that other modern countries consider 'basic'?" <P2-S2> The film regards teachers' unions as the cause of the problems (they are "the cartel" of the title), due to, among other things, the obstacles they put in place to firing bad teachers, through tenure. <P2-S3> It also makes the case for school vouchers and charter schools, suggesting that the increased competition will revitalize the school system, leading to improved efficiency and performance in all schools, both district and charter. <SEP> <P3-S0> 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. <SEP> <P4-S0> 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. <P4-S1> meanwhile, the mexican forces in the state had time to prepare a defense against the americans. <P4-S2> 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. <P4-S3> 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. <P4-S4> the battle ended quickly because of some devastating defensive errors from the mexican forces and the ingenious strategic moves by the american forces. <P4-S5> after their loss at the battle of sacramento, the remaining mexican soldiers retreated south, leaving the city to american occupation. <P4-S6> almost 300 mexicans were killed in the battle, as well as almost 300 wounded. <P4-S7> the americans also confiscated large amounts of mexican supplies and took 400 mexican soldiers prisoners of war. <P4-S8> american forces maintained an occupation of the state capital for the rest of the mexican–american war.