Name and describe at least two settlements that were not considered part of Texas in 1820 since they were not part of Texas what state territory or country were they a part of

The Republic of Texas (Spanish: República de Tejas) was a sovereign state in North America that existed from March 2, 1836, to February 19, 1846, although Mexico considered it a rebellious province during its entire existence. It was bordered by Mexico to the west and southwest, the Gulf of Mexico to the southeast, the two U.S. states of Louisiana and Arkansas to the east and northeast, and United States territories encompassing parts of the current U.S. states of Oklahoma, Kansas, Colorado, Wyoming, and New Mexico to the north and west. The citizens of the republic were known as Texians.

The region of the Mexican state of Coahuila y Tejas, now commonly referred to as Mexican Texas, declared its independence from Mexico during the Texas Revolution in 1835–1836, when the Centralist Republic of Mexico abolished autonomy from states of the Mexican federal republic. The major fighting in the Texas war of independence ended on April 21, 1836, but the Mexican Congress refused to recognize the independence of the Republic of Texas, since the agreement was signed by Mexican President General Antonio López de Santa Anna under duress as prisoner of the Texians. There were intermittent conflicts between Mexico and Texas into the 1840s. The United States recognized the Republic of Texas in March 1837 but declined to annex the territory.[3]

The Republic-claimed borders were based upon the Treaties of Velasco between the newly created Texas Republic and General Santa Anna, who had been captured in battle. The eastern boundary had been defined by the Adams–Onís Treaty of 1819 between the United States and Spain, which recognized the Sabine River as the eastern boundary of Spanish Texas and western boundary of the Missouri Territory. Under the 1819 Adams–Onís Treaty, before Mexico's 1821 independence, the United States had renounced its claim to Spanish land to the east of the Rocky Mountains and to the north of the Rio Grande, which it claimed to have acquired as part of the Louisiana Purchase of 1803.

The republic's southern and western boundary with Mexico was disputed throughout the republic's existence, since Mexico disputed the independence of Texas. Texas claimed the Rio Grande as its southern boundary, while Mexico insisted that the Nueces River was the boundary. In practice, much of the disputed territory was occupied by the Comanche and outside the control of either state, but Texian claims included the eastern portions of New Mexico, which was administered by Mexico throughout this period.

Texas was annexed by the United States on December 29, 1845 and was admitted to the Union as the 28th state on that day, with the transfer of power from the Republic to the new state of Texas formally taking place on February 19, 1846.[4] However, the United States inherited the southern and western border dispute with Mexico, which had refused to recognize Texas' independence or U.S. offers to purchase the territory. Texas annexation was a trigger for the Mexican–American War (1846–1848).

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b. she founded a new dynasty that ruled egypt for generations.