Answer :
D. The initiation of Texas as an official state didn't happen until after the Alamo and people settling in Texas would logically be the first in the sequence of events.
The right answer is D. 2, 4, 3, 1.
2. People from the United States settle in Texas under Stephen Austin. - By 1824, more than two thousand hardy souls had settled on his land, and many others followed, settling across Texas. Most of the newcomers were southern or western farmers drawn to rich new cotton land selling for only a few cents an acre. By 1830, the coastal region of Texas had about twenty thousand white settlers and one thousand enslaved blacks brought in to work the cotton.
4. Texas rebels attack San Antonio but are defeated at the Alamo. - In February 1836, General Santa Anna arrived with six thousand Mexican troops and demanded that the vastly outnumbered defenders of the Alamo surrender. They answered with a cannon shot. The Mexicans then launched a series of assaults and bombardments against the outnumbered defenders. For twelve days, the Mexicans were repulsed, suffering heavy losses. They were twice forced back, but on the third try, the Mexicans broke through the battered north wall. Most of the Alamo defenders were killed or wounded.
3. Texans defeat Santa Anna and form the Republic of Texas. - Houston and his Texian army surprised a Mexican army encampment on April 21, 1836. The Texians charged, yelling “Remember the Alamo,” and overwhelmed the panic-stricken Mexicans. Virtually the entire Mexican army was killed; many of them were slaughtered while trying to surrender by vengeful Texians. General Santa Anna was captured the next day. The Mexican dictator then bought his freedom by signing a treaty recognizing the independence of the Republic of Texas, with the Rio Grande as its southern boundary with Mexico.
1. Texas becomes the 28th state in the United States. - On March 1, 1845, in his final presidential action, President Tyler signed the resolution admitting Texas to the Union. Texas, which had remained an independent republic for ten years, formally joined the United States as the twenty-eighth state on December 29, 1845.