Mexico severed diplomatic ties to the United States, and started a low-intensity conflict along the US-Mexico border, which actually, was ill defined -- Americans believed the border to be the Rio Grande River, while Mexicans thought it was the Nueces River, several miles to the north.
This resulted in skirmishes between Mexicans and Americans, resulting in American blood spilled in this no man's land. This was used by president Polk as a casus belli to start the war. He however, was uninterested in Texas: he wanted to "acquire" California from Mexico at any cost.
Mexico thought that the U.S had taken Mexican land since Mexico had not recognized Texas' independence.
Mexico broke off diplomatic relations with the US as a result of this action.
The Mexican Government felt that The United States had taken their land away from them illegally.
They were Mexicans, however most of them didn't really care much about it as the central Mexican government was very far away at the time.
It wasn’t annexed, but sold to the United States by Russia.
It is the day of the Texas Declaration of Independence. The Anglo and Tejano settlers that failed to rebel against Santa Anna did not feel safe, so they fled to Texas. This led to the Alamo, where Mexican leader Santa Anna wiped out Lieutenant Colonel William Travis's 185-man garrison.
I love Mexican. Ate it just the other night.
Texas had fought a war with Mexico and won. They declared Texas to be an independent country. Texas later applied to become part of the United States. At first the United States said no because they knew Mexico would protest. But a wave of feelings called "Manifest Destiny" made Americans feel that American would get better if it grew bigger. James Knox Polk campaigned to make Texas part of the United States but it was done before Polk became president. Mexico did protest and the United States invaded Mexico. In addition to Texas, America took land for Arizona, California, and Nex Mexico.
Sleepy
There is no evidence that slavery even as a remote property issue would have been a motivational factor for the unique subset of defenders. They wanted to defend the Alamo.
Because I live in Texas.
Because I live in Texas.
They did not approve of it.
Nothing, as it is a Mexican / Mexican-American celebration. If ever, French feel uncomfortable. See related questions.
They felt it was a provocation from Polk's government to start an unjustified war. Although "American blood was shed", the fact is the area where skirmishes between American and Mexican troops occurred was a no man's land.