Why is 1845 significant in Texas history? 1. Texas forces won the battle of the Alamo ending the war with Mexico

2. Sam Houston was elected president of the republic

3. Texas was annexed by the United States

4. The Spanish government gave up all rights to texas

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]

Explanation:

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the answer is a. harriet tubman was a nurse on the battlefield.