Question: The Battle of Rosillo Creek took place in one of the constituent states of what nation?

Context paragraphs:
Battle of Rosillo Creek: The Battle of Rosillo Creek (also known as the Battle of Rosalis) was a conflict of the Mexican War of Independence occurring March 29, 1813 in Coahuila y Tejas, approximately nine miles southeast of San Antonio de Bexar near the confluence of Rosillo Creek and Salado Creek.

Battle of Clitheroe: The Battle of Clitheroe was a battle between a force of Scots and English knights and men at arms which took place on 10 June 1138 during the period of The Anarchy.  The battle was fought on the southern edge of the Bowland Fells, at Clitheroe, Lancashire.  It took place in the course of an invasion of England by King David I of Scotland.  In the summer of 1138, King David split his army into two forces.  One of them, commanded by William fitz Duncan, Mormaer of Moray, marched into Lancashire.  There he harried Furness and Craven.  On 10 June, William fitz Duncan was met by a force of knights and men-at-arms.  A pitched battle took place and the result was that the English army was routed.  The battle was a prelude to the Battle of the Standard later in the summer, where the result was reversed.

Battle of Kuwait International Airport: The Battle of Kuwait International Airport occurred on February 27, 1991 during the 1st Gulf War.  It was a tank battle between the United States and Ba'athist Iraq.  Despite being a very large battle it is often overlooked compared to the other battles which took place during the war.  No less than elements of 18 divisions total participated in this battle.  U.S. Army Special Forces units and multiple Iraqi Commando units were also in theatre.  In reality the battle took place over a span of three days despite the primary battle at Kuwait International Airport lasting only one day.  Much of the combat actually took place en route to the airport.  The battle featured the "Reveille Engagement" which went on to become the biggest and fastest tank battle in United States Marine Corps' entire history.

Battle of Gully Hole Creek: The Battle of Gully Hole Creek was a battle that took place on July 18, 1742 (new style) between Spanish and British forces in the Province of Georgia, resulting in a victory for the British.  Part of a much larger conflict, known as the War of Jenkins' Ear, the battle was for control of St. Simons Island, the British fortifications of Fort Frederica and Fort St. Simons, and the strategic sea routes and inland waters they controlled.  After the victory, the Province of Georgia established undisputed claim to the island, which is now part of the U.S. state of Georgia.  The better-known Battle of Bloody Marsh, a skirmish also won by the British, took place on the island the same day.

Battle of Bloody Marsh: The Battle of Bloody Marsh was a battle that took place on July 7, 1742 between Spanish and British forces on St. Simons Island, part of the Province of Georgia, resulting in a victory for the British.  Part of a much larger conflict known as the War of Jenkins' Ear, the battle was for the British fortifications of Fort Frederica and Fort St. Simons, with the strategic goal the sea routes and inland waters they controlled.  With the victory, the Province of Georgia established undisputed claim to the island.  It is now part of the U.S. state of Georgia.  The British also won the Battle of Gully Hole Creek, which took place on the island the same day.

Coahuila y Tejas: Coahuila y Tejas ("Coahuila and Texas") was one of the constituent states of the newly established United Mexican States under its 1824 Constitution.

Battle of Rush Creek: The Battle of Rush Creek took place February 8–9, 1865, between approximately 185 soldiers of the U.S. Army and 1,000 warriors of the Lakota Sioux, Cheyenne and Arapaho tribes.  The inconclusive battle took place four miles southeast of present-day Broadwater, Nebraska, along both banks of the North Platte River.

Battle of Burnt Corn: The Battle of Burnt Corn, also known as the Battle of Burnt Corn Creek, was an encounter between United States armed forces and Creek Indians that took place July 27, 1813 in present-day southern Alabama.  The battle was part of the Creek War.

Battle of Holy Ground: The Battle of Holy Ground, or Battle of Econochaca, was a battle fought on December 23, 1813 between the United States militia and the Red Stick Creek Indians during the Creek War.  The battle took place at Econochaca, the site of a fortified encampment established in the summer of 1813 by Josiah Francis on a bluff above the Alabama River, in what is now Lowndes County, Alabama.  It was one of three encampments erected by Red Stick Creeks that summer.  In addition to the physical defenses, Creek prophets performed ceremonies at the site to create a spiritual barrier of protection.  Hence the Creek name "Econochaca," loosely translated as holy ground, but properly translated as sacred or beloved ground.

Battle of Frenchman's Creek: The Battle of Frenchman’s Creek took place during the War of 1812 between Great Britain and the United States in the early hours of November 28, 1812, in the Crown Colony of Upper Canada, near the Niagara River.  The operation was conceived as a raid to prepare the ground for a larger American invasion.  The Americans succeeded in crossing the Niagara and landing at both of their points of attack.  They achieved one of their two objectives before withdrawing but the invasion was subsequently called off, rendering useless what had been accomplished.  The engagement was named, “the Battle of Frenchman’s Creek” by the Canadians, after the location of some of the severest fighting.  To contemporary Americans, it was known as, “the Affair opposite Black Rock”.

Supporting paragraphs: Battle of Rosillo Creek Coahuila y Tejas
Answer: United Mexican States